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

Spotify and Troy Carter Pre-GRAMMY Music + Tech Party

Where: Atom Factory Who Was There: Solange Knowles, Kelly Roland, D.A. Wallach, Jeff Pollack, Robyn, Troy Carter, Nazanin Mandi, Mary Mac, Ken Parks, Daniel Glass, Scott Rodger, Rob White, Jay Brown, Mitch Kranner, Larry Solters, Michelle Jubelirer, Jody Gerson, Jennifer Hyman. Solange Knowles Solange Knowles Solange Knowles [Photo via @jamesblackcyc, @kellyrowland, @partywgmac]