Has Amanda Bynes already reversed her decision to retire from acting at the age of 24? "I've unretired," Bynes tweeted Friday night. Just a little over a month ago, she raised eyebrows by announcing that she was done with acting because she didn't love it anymore. Read More »

Plus: Arnold Schwarzenegger goofs on Mel Gibson. Behind the scenes with Adam Lambert. Sarah Palin displeased with Bristol and Levi's re-engagement? Star baby and wedding news -- and much more! Read More »

How did Mariah Carey's husband Nick Cannon and "Friends" star Matthew Perry spend Friday in Las Vegas? ET knows! Nick and eight pals partied in a cabana at Palms Pool & Bungalows. Nick even surprised the crowd by singing a few songs before Rev. Run of Run DMC performed poolside. Later that evening, Matthew and some friends dined at the Palms Casino Resort's Nove Italiano. Read More »

ET has the latest in the health of Zsa Zsa Gabor following her hip-replacement surgery. The 93-year-old star is hospitalized and "experiencing heavy bleeding," her publicist told ET. Gabor's husband Prince Frederic von Anhalt told ET the star has not been responsive since yesterday, adding that her blood pressure is not stable. He also revealed that Gabor may have suffered a stroke while in surgery, but that is not confirmed at this point. Read More »

Allison Hope Weiner, a senior writer for The Hollywood Reporter, tells ET that her sources suspect Oksana Grigorieva's sister Natalie of having leaked the now-infamous Mel Gibson audio tapes. "My sources say that they think that it's Oksana's sister Natalie -- that they're very close, that she actually speaks very good English, and that if you took a look at her financial records that you would find out some evidence that she was the one who had sold the audio tapes to Radar," Weiner tells ET. "There is a seal over the tapes," she continues. "The court has put them under seal; a protective seal. So anybody who leaked those tapes is going to be in held in contempt, who's a party to the proceedings." Read More »

Angelina Jolie is once again kicking it into high gear. On Friday, July 23, the sexy mom of six takes on the CIA in her new action-packed film 'Salt.' From indie star to Hollywood darling, take a look at film's most sizzling siren, Oscar winner Angelina Jolie, through the years. Read More »

In a new interview from Comic-Con, Jerry O'Connell tells ET that his wife Rebecca Romijn couldn't make it to Comic-Con because she's currently meeting up with her high school prom date! Read on for more... Rebecca is attending her 20th high school reunion, Jerry tells ET, and he says that she's currently with her prom date! He jokes to ET that he's checking the credit card charges to make sure his wife is behaving herself! Jerry is currently promoting his new film, 'Piranha 3D,' at the San Diego, Calif. convention. Read More »

In a new HTV video shot Friday morning, Oksana Grigorieva is denying she tried to extort Mel Gibson, as well as refuting her sister's involvement in releasing the now-infamous tapes depicting his abusive tirades. Oksana is snapped by the paps while entering an attorney's office in Century City, Calif. She comments on the controversy surrounding her, saying, "There's no extortion, no text, no emails; he's lying ... I'm fighting for my child." The Los Angeles County Sheriff's Department confirmed to Entertainment Tonight that they are investigating extortion allegations against Grigorieva. Meanwhile, Gibson is also under investigation for suspicion of domestic violence and assault with a deadly weapon. Read More »

Valerie Bertinelli says that she and her fiance, businessman Tom Vitale, will be getting married abroad in an intimate ceremony. "We're going to get married in Italy, just the two of us and a witness," she tells People.com. The “Hot in Cleveland” actress, whose first marriage to Eddie Van Halen ended in 2007, also shares her perspective on tying the knot for the second time: "For me, it feels silly. I'm 50. It's not about the wedding. I just want to have a marriage.” Read More »

Joe Jonas is opening up about his split from Demi Lovato, as the two gear up to go on tour together. In an interview Friday on 102.7 KIIS FM’s "On Air With Ryan Seacrest," Joe said that his friendship with the 17-year-old star withstands their romantic breakup. "Demi has been a friend of mine for a long time and I think that friendship is so strong it surpasses a lot of things, and I think touring together will be a lot of fun," Joe said. Read More »