Oprah Winfrey, Minka Kelly, Cuba Godding Jr., Forest Whitaker, and more step out for the Lee Daniels' The Butler L.A. premiere and after party; Lily Collins, Jamie Campbell Bower, Julianne Hough, and a slew of other stars hit the red carpet at the premiere of The Mortal Instruments: City Of Bones; Lady Gaga joins the "Drag Race" cast on stage for a show in WeHo—get the rundown on L.A.'s top events from Monday in this edition of Last Night's Parties.
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