Instagram has quickly become our latest obsession, and celebrities have likewise taken note by sharing tons of their personal photos. From Channing Tatum to Justin Bieber to Oprah Winfrey, everyone is hopping on board the social networking app. If you're not familiar with using it, then check out GeekSugar's helpful Instagram instructions for iPhones and the recently added Instagram for Read more

Gwen Stefani and Gavin Rossdale were inseparable as they posed for pictures on the red carpet last night at the Heart Foundation Gala. The organization raises money to help research and fight heart disease, and the charitable evening included a performance by Michael Bublé, with Ryan Seacrest handling MC duties. Gavin and Gwen stepped out in support of the cause alongside stars including Chelsea Read more

Jennifer Lopez got a lift to the American Idol sound stage in West Hollywood yesterday in a white Bentley driven by boyfriend Casper Smart. In addition to her Idol judging duties, Jennifer has What to Expect When You're Expecting out May 18. We chatted with Jennifer at the film's LA junket, where she opened up about her own pregnancy and talked about her upcoming music tour — stay tuned for Read more

Julianne Hough dressed up in a hot pink Carolina Herrera gown and chandelier earrings from Jacob & Co. for the annual Met Gala in NYC tonight. She had boyfriend Ryan Seacrest by her side for the fashionable event, which also brought out Kristen Stewart, Cameron Diaz, Gwyneth Paltrow, Beyoncé, and more. There were so many daring looks at this evening's soiree, so make sure to weigh in with Read more

Last night's American Idol saw contestant Skylar Laine go home, but there were plenty of other highlights. Jennifer Lopez looked glamorous in a metallic Paco Rabanne top while Carrie Underwood wowed in a sexy white slitted gown as she returned to the Idol stage. The country singer performed "Blown Away" from her latest album, which dropped on Tuesday. Chris Martin and Coldplay performed as Read more

American Idol host Ryan Seacrest has relisted his Hollywood Hills estate for $11.985 million, chopping nearly $3 million off the asking price from late 2010, when it listed for $14.95 million. The house, which Seacrest refers to as Casa di Pace, or the House of Peace, was designed by Jeff Andrews (who also designed Khloe Kardashian's home). The house's listing describes it as "The crown jewel of Read more

Jennifer Lopez made her way to the set of American Idol in Hollywood last night in a short, sequin minidress. It's her second sexy outfit of the week following her Wednesday appearance in an ab-baring ensemble. Idol hopeful Elise Testone was the latest to be sent home — do you agree with the results? — which leaves five contestants still in the running for this year's title. Katy Perry Read more

The stars were out and about this week, sharing their exciting snaps through social media along the way. Celebs like Busy Philipps and Brooklyn Decker enjoyed the great outdoors, while Nicole Richie took flight during a trip to Boston. Brad Goreski and Jennifer Lopez hit the beach, and Jimmy Fallon hosted a very special guest on his late night show. Click through now to see the week's cutest Read more