Last Night's Parties: Lorde, Macklemore Perform While Lady Gaga, Steven Tyler, Rita Ora & More Hit Pre-Grammy Events

Will.i.am Hosts Third Annual TRANS4M Concert Benefiting The i.am.angel Foundation

Where: Avalon Who Was There: Will.i.am, Rosie Perez, Chaka Khan, Doug E. Fresh, Skylar Diggins, Busta Rhymes, Sergio Mendes, Biz Markie, MC Hammer, LeAnn Rimes, David Hernandez, Didi Benamo, Ricky Bell, Cuba Gooding Jr., Esai Morales, Frankie J, Jaleel White, Kim Cole, Ronnie DeVoe, Chrisette Michele, Eddie Cibrian, Jonathan Schaech, Slick Rick, Eric Garcetti, Lindsey Morgan, Won-G, King Bach. Chaka Khan Will.i.am Busta Rhymes [Photos Via @whitney_hice, @annausc, @shaeemreid]