Leaked Celebrity Secrets:even stars have friends with big mouth

Cat's Out of the Bag

It's not easy to keep a secret in Hollywood, especially when you have fellow stars who accidentally leak big news for you. Check out which celebs' secrets have leaked with a little help from their friends.

RIHANNA SPILLED KATY PERRY SECRET.Katy Perry had hoped to keep her and Russell Brand's wedding destination a secret back in 2010, but Rihanna blabbed the news. She told Entertainment Tonight about her pal's big day: "It is in India. I am excited about that because I have never been there." Rihanna didn't actually make the wedding, but plenty of reporters did!

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Jennie Garth, wife of Twilight's Peter Facinelli, was one of the first people to spark speculation about Robert Pattinson and Kristen Stewart's romance. She said about RPattz's love interest at a 2009 charity event: “I can’t say [who it is] because that would be breaking my promise to [my husband Peter], but he is dating one of them!"

Jennie Garth, wife of Twilight's Peter Facinelli, was one of the first people to spark speculation about Robert Pattinson and Kristen Stewart's romance. She said about RPattz's love interest at a 2009 charity event: “I can’t say [who it is] because that would be breaking my promise to [my husband Peter],Who can you trust if you can't trust your stylist? Roberto Cavalli, Jennifer Lopez's designer and dear friend, spilled the beans about the singer's pregnancy in 2007. He explained in an interview how he'd been doing extra work for J.Lo, since "she requests something very special because she is waiting for the baby." Whoops! but he is dating one of them!"

PARIS HILTON SPILLED XTINA'S SECRET.Paris Hilton was only trying to be nice when she leaked news of Christina Aguilera's pregnancy. Her gesture would have been more appreciated had Xtina confirmed the news beforehand. Paris grabbed the mic at LAX nightclub and said: "Congratulations to the most beautiful pregnant woman in the world, Christina Aguilera. You're gorgeous," while the singer and her husband sat stunned in the crowd.

JUSTIN TIMBERLAKE'S GRANDMA SPILLED HIS SECRET:It was Justin Timberlake's dear grandma who confirmed the singer and on-again, off-again girlfriend Jessica Biel got engaged in December 2011. “He called me on Christmas Day and told me he’s engaged,” Sadie Bomer told Gossip Cop. We're guessing JT didn't come down real hard on his grams.

KELLY ROWLAND SPILLED BEYONCE'S SECRET.It's an honest mistake: Kelly Rowland let slip that Beyonce and Jay-Z were expecting a girl by referring to the unborn baby as "she." Rowland said about picking out a gift for the couple's first child: "I think her dad is gonna give her everything anyways, all I can give her is love.” She made the same mistake a few minutes later when answering another question.

THANDIE NEWTON SPILLED MARIAH CAREY'S SECRET.No one really knew why Thandie Newton was tapped to replace Mariah Carey in the flick For Colored Girls. That is, until Newton went on The View and told the world "I think [Carey] is pregnant." The actress quickly tried to backpedal, but the damage was already done. However, the twin news was still a secret for a while.

Jillian Barberie learned to think before she tweets when she accidentally blabbed about Pink's pregnancy. She wrote: "Hey, Pink, I'm sooooo happy for you lady!!! Congrats on baby!!" before the news was public information. Barberie later tried to take it back, saying she must have been "tipsy" and thought the singer's husband had already confirmed the news at a dinner party.

JACK BLACK SPILLED JOLIE'S SECRETLeave it to Jack Black to spill some big baby beans. The funnyman slipped and revealed his Kung Fu Panda co-star Angelina Jolie was expecting twins during a joint interview in 2008. Later Mr. Black claimed Angie was relieved that he'd done so, because she "didn't know how" to do it herself.

DEV PARTELS MUM REVEALED HIS SECRET.Dev Patel might have been a bit upset with his mom after she was the one to blab to the media about his real life relationship with Slumdog Millionaire co-star Freida Pinto. Anita Patel said in 2009: "First it was the film and now everything else seems to have slotted into place. Life can't get any better for him. Freida is really beautiful and I am really happy for them."

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