
Targeted by trolls: Jennifer Lawrence —
Former Google, Youtube, Aol executive, Karen Cahn, has launched a "troll-proof" social network for women, called VProud. A quarter of young women have been sexually harassed online, according to the Pew Research Center. In August, actress Jennifer Lawrence was targeted by hackers who released naked photos of her on the internet. She labeled the cyber attack a "sex crime," and has vowed not to join Twitter.

Milla Jovovich —
Actress Milla Jovovich announced on Twitter last month that she'd stopped interacting with fans because she and her family had been threatened by a stalker on the site. "After contacting authorities, I was told to absolutely stop talking to people I don't know on social forums," she wrote.

Zelda Williams —
Zelda Williams left social media for several weeks in August after she received graphic, abusive messages on Instagram and Twitter about the death of her father, comedy legend Robin Williams.

Stella Creasy and Caroline Criado-Perez —
British Labour MP, Stella Creasy (second from right), and women's rights activist and journalist, Caroline Criado-Perez (far right), were targeted by online trolls after campaigning for an image of Jane Austen to be featured on the £10 bank note. Three people were jailed earlier this year after subjecting the campaigners to rape and death threats on Twitter.

Gabourey Sidibe —
When people took to Twitter to criticize actress Gabourey Sidibe on the Golden Globes red carpet earlier this year, she hit back with the best response ever: "To people making mean comments about my GG pics, I mos def cried about it on that private jet on my way to my dream job last night. #JK"

Selena Gomez —
Actor Selena Gomez pulled up one Instagram follower who wished the star to "burn in hell with cancer." Gomez wrote: "You can dislike someone but to wish something that could happen to you or your family is uncalled for sweetheart. You won't be winning 'anyone's' heart that way. Trust me."


