Jennifer Lopez waved to the crowd as she took the stage for last night's episode of American Idol. She was joined by her fellow judges Randy Jackson and Steven Tyler, as well as host Ryan Seacrest, for this week's two-hour live production. The contestants entertained the crowd with songs from the '80s, and were mentored by No Doubt's Gwen Stefani and Tony Kanal. Things kicked off with a soulful Read more

Jennifer Lopez waved hello to the American Idol audience as she took her judging seat for the elimination show in LA last night. Contestant Heejun Han was sent home on the episode, which also featured a performance by last year's winner Scotty McCreery and Nicki Minaj. J Lo switched gears back to her own music this morning, sharing her new track "Dance Again" on Ryan Seacrest's radio show. Read more

Jennifer Lopez hung out with boyfriend Casper Smart on the set of her new music video "Follow the Leader" in Acapulco last night. Jen and Casper shared a kiss between takes, when she wasn't showing off her hot dance moves. J Lo arrived in Mexico over the weekend with Casper, and has since gotten down to work with musicians Wisin & Yandel. Their short getaway will need to wrap up by tomorrow, Read more

Jennifer Lopez rocked a sports bra yesterday on the Mexico set of her new music video for the song "Follow the Leader." Her boyfriend Casper Smart was on the scene as well, stopping to engage in some PDA with J Lo from time to time. They're in Acupulco tweeting all about their adventures with collaborators Jessy and Ulysses Terrero. Puerto Rican duo Wisin & Yandel were also on hand to shoot, Read more

If you didn't know who Joy Williams was before tonight, we guarantee you will be hearing a lot more about her in the months to come. Joy's one half of folk duo The Civil Wars with Johnny Depp lookalike John Paul White, and the first-time nominees won two Grammys tonight: best folk album and best country duo/group performance for their 2011 album Barton Hollow. They are also one of the performing Read more

Mariah Carey was out and about to do some holiday shopping in Aspen yesterday. She's been spotted all over the snowy Colorado town stocking up on gifts for family and friends — she's just one of the many celebrities who love spending time in the snow during the chilly Winter months! This year is extra special for Mariah and her husband, Nick Cannon, as they celebrate Monroe and Morocco's first Read more

Today is Britney Spears's 30th birthday, which got us thinking about some of her best songs and performances from over the yeas. Of course, some of her most showstopping numbers took place at the MTV Video Music Awards, so we put together our own homage to the pop princess, chronicling her most memorable VMA moments over the years. Read more

Robert Pattinson and Kristen Stewart had a night out in London yesterday! The couple, who are sharing an apartment while in the same city, caught a show from their pal Marcus Foster at the Dingwalls club. Kristen and Robert then stopped for a nightcap at the Highlight Bar, where they were seen hugging! Robert and Kristen headed back to their place together afterward. Kristen starred in a Marcus Read more

Amy Poehler was the honored guest at Saturday night's Variety Power of Comedy event, and many of her friends, family, and past and present costars turned up to toast — and sometimes roast — the Parks and Recreation star. Will Ferrell, Maya Rudolph, Whitney Cummings, and of course, Will Arnett, were among the celebs who attended or took the stage during the soiree. We caught up with Will and Read more

The 2011 American Music Awards kicked off with a duet from Nicki Minaj and DJ David Guetta, the first of 17 musical acts! They got things started after a star-studded AMAs red carpet on which stars like Katy Perry, Heidi Klum, Justin Bieber, and Selena Gomez posed for photographers. Maroon 5 was an early winner for best duo/group before Taylor Swift won her fourth favorite country female artist Read more