PHOTO: Oprah Parties w/ Diddy, Kanye West, Mick Jagger + More At Jimmy Iovine’s

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Oprah recently took to her twitter over the weekend and shared a photo of herself partying the night away with Diddy and Kanye West at Jimmy Iovine’s house.  The music producer and American Idol mentor hosted the exclusive birthday celebration in honor of his girlfriend Liberty Ross.  Other guests that were in attendance included Mick Jagger, Kim Kardashian, Dr. Dre, Brian Grazer, Gayle King and R. Kelly who decided to put on a live performance.