Watch Mark Ruffalo and Jennifer Garner do '13 Going on 30' dance on Walk of Fame
Watch Clay Aiken and Ruben Studdard return to 'American Idol' stage
Barack Obama and Bruce Springsteen just launched a new podcast
Jennifer Lopez tried to prank call Ellen DeGeneres and it was hilarious
Serena Williams opens up about her friendship with Meghan Markle
Jennifer Aniston celebrated her 50th birthday—And here are the Star-Studded photos
Amanda Seyfried tells the story behind 'Mamma Mia' cast's matching tattoos
Lea Michele chose 'Glee' co-star Jonathan Groff to be her 'maid of honor'
Selena Gomez and Jennifer Aniston's unlikely friendship defies age
Jennifer Garner Plays 'Happy Birthday' For Reese Witherspoon On The Sax
Jennifer Lawrence Posts Hilarious Video About Ditching Golden Globe After-Parties For Emma Stone