Zelda Williams has claimed that her father, Robin Williams fought depression "his whole life" as she promoted World Mental Health Day on Twitter.
The 25-year-old daughter of the late 'Good Will Hunting' actor has urged her Twitter followers to keep fighting against depression, after her father - who struggled with mental health problems - took his own life on August 11, 2014.
On Thursday (10.10.14), Zelda posted a series of tweets to raise awareness and emphasise to her followers that if they are not alone.
She wrote: "Today is #WorldMentalHealthDay. Mental illness is often misunderstood & misrepresented, but that's starting to change. Let's end the stigma.
"Mental health IS as important as physical health, & whether there are visible signs or not, the suffering is real. It can affect EVERYONE.
"Lastly, my dad openly fought depression his whole life, both in general and his own. No matter what anyone says, it is a FIGHT. Fight on. (sic)"
Shortly after her father's tragic passing, Zelda was forced to leave Twitter after cruel internet trolls sent her disturbing photoshopped images of the late actor along with many threatening messages.
She returned to the micro-blogging site three weeks later after she shared a quote from the actor Harvey Fierstein, who starred opposite Robin in the 1993 film, 'Mrs Doubtfire'. The quote read: "Never be bullied into silence. Never allow yourself to be made a victim. Accept no ones definition of your life; define yourself."

Kelly Osbourne wants to adopt Joan Rivers' dogs.
The 'Fashion Police' co-host is eager to take responsibility for the late star's rescue puppies, a Havanese, a Japanese Chin, a Jack Russell terrier and a border collie, but only if her daughter Melissa Rivers approves of the idea.
A source said: "They were so close and really bonded over their love of dogs. Kelly feels caring for them would be a way to keep Joan close."
Melissa is so busy sorting out her mother's estate that she is thinking about giving the dogs to Kelly, 29.
The insider added to US OK! magazine: "If Melissa's son, Cooper, says he wants the dogs, she'll keep them ... but she knows they'd have a good home with Kelly.
"Kelly already has dogs and knows she could care for Joan's as well."
Joan reportedly made provisions for her pets in her will and stated they would move from her opulent Upper East Side Manhattan condo to the home of one of her personal assistants, Jocelyn Pickett, in the event of her death.

George Clooney spent £50,000 on emergency flood supplies.
'The Monuments Men' star reportedly spent thousands of pounds to protect his new riverside home in Sonning Eye, Oxford from flooding.
Last week, George purchased the Georgian mansion - which is located right next to the River Thames - as a wedding present for his new wife, Amal Alamuddin.
But despite spending an estimated £5 million on the luxurious property, the Hollywood actor had to fork out an extra £50,000 on a new pumping system and emergency sandbags in case it floods.
According to The Sun of Sunday newspaper, a source shared: "George and Amal were caught seemingly unaware."
Once the property is water-tight, it is reported that they will split their time between the Oxfordshire home and George's mansion in Lake Como, Italy.
The couple spent a week in their new English home as part of their honeymoon, after they got married in an extravagant wedding ceremony in Venice on Saturday, September 27.
However, the famous couple had to interrupt their romantic getaway because George had to attend a Comic Con event in New York to promote his new film, 'Tomorrowland'.
He joked to the crowd: "It is not lost on me that I'm spending my honeymoon at Comic Con!"

Jennifer Lawrence has introduced Chris Martin to her parents.
The ''American Hustle' actress flew her mother, Karen Lawrence, into Los Angeles to meet her new boyfriend, Coldplay frontman, Chris Martin and they are reportedly planning to spend the holiday season together.
Jennifer's grandparents confirmed this exciting new development in the couple's relationship to The Sun on Sunday.
Her grandmother Carolyn Koch told the newspaper: "Jennifer's mum flew to Los Angeles to meet Chris. We will have to get another chair for the dinner table at Christmas.
"The family is getting so big we might have to split up for gatherings."
Chris - who split up from his wife of 11 years, Gwyneth Paltrow in March 2014 - was recently spotted kissing his new girlfriend at a Kings of Leon concert in Hollywood and Jennifer has been seen hanging outside the singer's Malibu property on multiple occasions.
The 24-year-old Academy Award winner might be infatuated with her new man, but according to her proud grandfather, Colin Koch, she isn't so keen on the attention she receives when she goes out.
He explained:"Jennifer doesn't like the hype. She looks like she really enjoys doing TV interviews but she's just a great actress."
Colin then added that his granddaughter hasn't let fame change her fun personality.
He told the newspaper: "She hasn't changed one bit - she is so humble and down to earth."

Nicole Scherzinger wants "little English kids" with Lewis Hamilton.
The 36-year-old 'On The Rocks' songstress has admitted that she would be excited if she had children with her English Formula 1 boyfriend Lewis Hamilton because they would have a British accent.
Talking to The Sun's Fabulous magazine, Nicole said: "Oh my gosh! If I had little English kids with little English accents that would tickle me! I would take them to Hawaii and my family would be like: 'What are they saying?'"
However, she quickly added that becoming a mother isn't a priority right now.
She told the magazine: "I can't think that far ahead, though, right now."
Nicole also spoke fondly about her One Direction 'children', who she put together during the 2010 'The X Factor'.
When asked if she considers herself to be a "proud mom" to the 1D boys - Harry Styles, Louis Tomlinson, Liam Payne, Zayn Malik and Niall Horan - Nicole replied: "I don't wanna age myself like that! Not a proud mom, more like, 'Where's my percentage?' More like a proud agent, but without getting paid. I'm waiting for my cheque."
While having children and getting married aren't on the cards for the couple - who have been dating on and off since 2007 - Nicole revealed that she and Lewis love a spot of karaoke at their friend's weddings.
She joked: "We're really good at partying at family weddings. One of us will be dancing and the other will be on the mic singing and then it will be vice versa."

Stephanie Nala has been branded a "spiteful" bully by her former classmates.
'The X Factor' hopeful - who is being mentored by Cheryl Fernandez-Versini - has been hit by claims that she was a "horrible and spiteful" bully while she was studying at Turnford School in Hertfordshire.
Stephanie Shaw, a former pupil and classmate of the singer, told The Sun on Sunday newspaper: "She was the worst bully at our school. Steph made my life a living hell for four years.
"She'd say I was fat and threaten me. I went home crying again and again.
"I was terrified. She was known for starting fights."
These claims come after Stephanie told 'The X Factor' audience that she had been the victim of bulling herself and explained that it was affecting her self-confidence on the show.
Angered by these claims, another former student, Sam Gritton added: "She wants everyone to think she's this sweet little innocent. She's actually an intimidating bitch. The second I saw her on TV, I switched off."
Chloe Smedley, who also studied at Turnford School, wrote on Facebook: "It's a shame she's going to gain success. She made girls feel worthless."
Although Stephanie has yet to comment on the accusations made against her, a show source said: "Steph is devastated by these claims as she was often the victim of bullying."

Chloe Sims and Elliot Wright are "taking a break" from their relationship.
'The Only Way Is Essex' stars have reportedly broken up, just one week after ITVBe viewers watched them argue in Ibiza over Chloe's friendship with her ex-boyfriend, Mario Falcone.
According to The Sun on Sunday newspaper, a source revealed: "They're both cut up about it. They'd introduced their kids to one another and had moved in together to make it work.
"It's not one person's decision over the other, but they have decided to take some time apart."
Earlier this week, Elliot was described as "controlling" by Twitter users after the spin-off episode, 'The Only Way Is Ibiza' - which aired on Wednesday evening (08.10.14) - showed the businessman refusing to let Chloe and her former beau, Mario have lunch together.
He later retweeted a message of support on Twitter, which said: "Everyone calling @elliottwright_ controlling, so you'd let your girlfriend go for lunch with her ex yeah #towii (sic)"
Despite the split rumours, the couple - who started dating in June 2014 - still appeared to be on friendly terms.
Before the show on Wednesday, Chloe shared a photo on Instagram of a huge bouquet of pink roses. She captioned the picture: "These were such a nice surprise this afternoon... Thank you @elliotwright_ (sic)"

Union J's manager pops their spots.
The 'Beautiful Life' group - comprising Josh Cuthbert, J.J. Hamblett, Jaymi Hensley and George Shelley - don't mind who helps them when they have a blemish that needs busting from their skin.
George said: "Ben our tour manager had to squeeze a spot on my back when we had a photoshoot last week. I think he enjoyed it."
Jaymi added: "My boyfriend does pop the spots on my back sometimes."
The band shot to fame after competing on 'The X Factor' in 2012 and are so close, they regularly tell one another they love them.
George said: "At the end of every phone call, we're like, 'Love you, bye'. "
Josh added: "'Love you bro' is bandied around a lot."
However, Jaymi admits he finds it "annoying" if he feels prompting into expressing his feelings.
He told We Love Pop magazine: "I only say it when I mean it. I find it annoying if I feel I have to say it so it's fine if it just comes rolling off my tongue."
And J.J. is much more open about his emotions when he has been drinking.
George said: "J.J. loves a heart to heart when he's tipsy."
Jaymi added: "When J.J. and I lived together, he came downstairs once and was like, 'Don't ever change or lose who you are."

Freida Pinto fainted because she pushed herself so hard in preparing for her role in 'Desert Dancer'.
The 29-year-old actress was left in constant agony training to portray Afshin Ghaffarian in the movie, which follows her attempts to be a dancer in Iran, but was thrilled her hard work paid off when it came to shooting the scenes.
She said: "I trained and trained. I had to put in eight hours every day for one year.
"I got blisters and cuts and bruises and back problems. I was fainting and I was like, 'Oh my God, I can't do this.'
"But in the end it all worked out, and the day I was actually performing, the day we were shooting the scenes, I had this energy from somewhere that I don't even know where it came from. It was the spirit of all these various dancers that kind of just empowered me to do this."
Despite her stunning looks, Freida admitted she hates being complimented on her beauty and would prefer people to just focus on her acting skills.
She told Britain's HELLO! magazine: "I don't like that, to be honest. Every time someone tells me, 'Oh you look so beautiful in the film', I don't care.
"Just tell me the performance was good."

Liv Tyler wants to raise her baby in New York.
The 37-year-old actress - who has nine-year-old son Milo with ex-husband Royston Langdon - and her British boyfriend Dave Gardner are expecting a child together and the sports agent is willing to relocate to America because the 'Lord of the Rings' star is keen to stay in the States while their child is young.
A source said: "Liv's life is established in New York and she and Dave have talked about the benefits of basing themselves there for when the baby is born.
"Dave spends a lot of time there already but he knows Liv would like to be there for the early years of their baby's life. It's still at the discussion stage for now."
Liv's friends are said to be delighted with her relationship with Dave - who has custody of Grey, his seven-year-old son with ex-wife Davinia Taylor - and the pair are very happy to be having a baby together.
The source told Britain's Grazia magazine: "They've actually known each other longer than anyone things. They're both thrilled about the baby.
"Dave is a really nice bloke. He's done a wonderful job bringing up his son Grey. He's very loyal and understated and is one of those people who effortlessly links loads of friendships."

Jessica Simpson spends $1,000 a week on her eyelashes.
The 34-year-old actress - who has children Maxwell, two, and Ace, 15 months, with husband Eric Johnson - reportedly spends over $1 million a year to ensure she looks good and her beauty regime includes weekly tans and monthly laser treatment to zap cellulite.
A source said: "She spends an enormous amount on maintenance of her skin, face, legs and hair.
"She spends a grand a week on tanning - the basic cost of being Jessica Simpson is easily $1 m a year.
"She loves eyelash extensions and has them touched up twice a week. A girl comes to her house and she pays her $500 each time.
"Jessica's convinced she has cellulite and spends at least $2,000 a month on laser and light treatments smoothing out the back of her thighs and butt."
Jessica's beauty costs also include $230,000-a-year for an on-call hairstyling team and $50,000 on bust treatments.
The source explained: "Jessica uses Natural Breast Enlargement Cream twice a day. She also has the upper part of her chest massaged twice a week to help."
And the 'Dukes of Hazzard' star enjoys regular sessions with a celebrity fitness trainer.
The source told heat magazine: "Jess trains with Harley Pasternak three times a week at $1,500 per session."

Emma Bunton still hasn't started planning her wedding.
The former Spice Girls star got engaged to long-term partner Jade Jones - with who she has sons Beau, seven, and Tate, three - in January 2011 but she admits they are the "worst organisers" and still don't even know what they want their nuptials to be like.
She said: "Jade and I are the worst organisers you'll ever meet. I just don't know where to start.
"I don't even know if I want the wedding at home or abroad."
The 38-year-old singer is very proud of how well her sons get along, particularly the way Beau cares for his younger brother.
She said: "They're gorgeous but growing up too fast. Beau is so good with Tate, being the older brother.
"From very young we were like, 'You have to teach him to be Spider-Man'. They've got a great relationship.
"Beau is very sporty and can be quite shy, while Tate is totally into music and dancing."
Though her elder son is a big fan of the Spice Girls, Tate doesn't know their music - yet.
Emma told Britain's OK! magazine: "Beau likes 'Wannabe' and Tate doesn't know yet. But don't you worry, he's going to love the Spice Girls. We're so up his street."