Lindsay Lohan endorses Mitt Romney (yes, yes she did) at the launch of a new ginseng drink; Katy Perry sings for Kate Hudson, Sarah Jessica Parker, Chelsea Handler and more at the amfAR gala and helps it raise  $1.3 million in a single night; the GRAMMYs present a special tribute show to Whitney Houston with performances from Usher and Jennifer Hudson; Kyle Richards celebrates her Beverly Hills boutique's grand opening with Lisa Vanderpump and Whitney Port—laugh, cry and feel lots of emotions in between as we bring you the Thursday event rundown in this installment of Last Night's Parties.

Lindsay Lohan Sarah Jessica Parker Katy Perry Kenneth Cole Kristin Davis MILK Studios whitney port Clive Davis Britney Spears Kimora Lee Simmons Rose McGowan Audrina Patridge Jennifer Coolidge david arquette Angela Lindvall Kate Hudson Jeremy Scott Liz Goldwyn Rumer Willis LL Cool J Lance Bass Alessandra Ambrosio Jennifer Hudson Halle Berry Beverly Wilshire Hotel Anna Kendrick NeNe Leakes Christos Garkinos Usher Chelsea Handler shaun white Ali Landry Taraji P Henson Nokia Theatre George Kotsiopoulos Wayne Gretzky Christina Milian Kevin Huvane Nancy O'Dell Kyle Richards Lisa VanderPump Josh Wood Mazdack Rassi La Toya Jackson Faye Resnick Mauricio Umansky Beth Behrs Octavia Spencer Metta World Peace Steve Tisch Neil Portnow Bryan Lourd Paris Jackson Prince Jackson Blanket Jackson Matt Kemp Ken Ehrlich Nick Gordon Caitlin O'Connor amfAR Inspiration Gala Laura Govan Ken Todd Kyle by Alene Too Tyler Clary Bobbi Kristina Brown Mr. Pink Ginseng beverage Mr. Pink ginseng drink launch party Nicolas Bru Paulina Gretzky Max Ryan Daphne Wayans Josie Davis Lindsay Lohan endorses Mitt Romney We Will Always Love You: A Grammy Salute to Whitney Houston We Will Always Love You Yolanda Adams CeCe Winans Kyle By Alene Too Grand Opening Party Debbie Weisman Marisa Zanuck Lizzy Schwartz Justin Sylvester