Celebs Come Out For Ellen's 50th Birthday

Ellen DeGeneres celebrated her 50th birthday Saturday night with a star-studded carnival and casino-themed party on the New York streets on the historic Warner Bros. backlot, Access Hollywood has learned.

Ellen had over 300 guests show up to celebrate her mid-century mark, including newlyweds Mariah Carey and Nick Cannon, who made Ellen’s party their first stop in LA as husband and wife. Also in attendance were Tom Hanks and Rita Wilson, Gwen Stefani and husband Gavin Rossdale, Janet Jackson, Jennifer Love Hewitt, Matthew Perry, The Jonas Brothers, Lauren Graham, Ray Romano, Courteney Cox and David Arquette, TR Knight, David Spade, Kevin Connolly, Cheryl Hines, Ricki Lake, Guns & Roses’s Slash, David Spade, Pink, Noah Wyle, Allison Janney, Sean Hayes, Suzanne Sommers, Joely Fischer, Sarah McLachlan, Leah Remini and and the Hilton sisters - Paris and Nicky, with their paramours Benji Madden and David Katzenberg.

Partygoers were treated to a carousel, Ellen’s house of mirrors, bumper cars, a dunk tank, poker and craps tables and a whack-a-mole game.

Hungry guests dined on sushi from Sushi Roku, a dim sum buffet, a comfort food buffet and a supper club buffet. Pinkberry served their famous tart yogurt for desert, and even made pina coladas.

Singer Pink, who performed “Trouble,” “Dear Mr. President” and Janis Joplin’s rendition of “Me and Bobby McGee”, provided the night’s entertainment, along with Samantha Ronson on the turntables.

On the way out, guests received donuts and coffee to go in Ellen thermoses.

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