Justin Timberlake, Jessica Biel, Timbaland and Amy Adams attend Darren Le Gallo's art opening; Flo Rida and Kendra Wilkinson debate on who wore it better at OK! Magazine's pre-Grammy party; John Legend and Christina Milian hang with the Mayor at a music industry reception; L.A. Reid, Jeffery Katzenberg and Ciara party at Beacher's Madhouse with Epic Records; Gary Oldman, Harrison Ford and Billy Bob Thornton celebrate the opening of the Morrison Hotel Gallery by forming the ultimate boy band—okay, so they didn't form a boy band, but it's fun to pretend while getting the rundown on Thursday's top events in this installment of Last Night's Parties.

Mario Lopez Justin Timberlake Tara Reid Penn Badgley Ciara Jessica Biel Sky Nellor Brittany Snow John Legend Michael Strahan Kathy Griffin LA Reid Stephanie March Virginia Madsen Estelle Bobby Flay Quincy Jones Les Moonves Julie Chen harrison ford Flo Rida Amy Adams Sophie Monk Benny Medina Gilles Marini Timbaland Alyssa Milano Kendra Wilkinson Nicole Scherzinger Solange Knowles Cheryl Burke Brittny Gastineau Paul Thomas Anderson George Lopez Sylvia Rhone Antonio Villaraigosa Jeffrey Katzenberg Adam Shankman Eric Stonestreet Janelle Monae Christina Milian Matt Sorum Cassie Scerbo Tenley Molzahn Lauren Mayhew The Morrison Hotel Gallery Rebecca Black Afrojack OK! Magazine Chris Tucker Caroline D'Amore Dermot Mulroney Matt White Julian Lennon Omarosa Manigault-Stallworth billy bob thornton Joel Michaely Chris Harrison Gary Oldman Micky Dolenz Pia Toscano Grammy Week Polow Da Don The Getty House Tricky Stewart Darren Le Gallo Kate del Castillo Jessica Sutta Max Ehrich Sound Trigg Ison Fine Arts Gallery Amy Adams And Justin Timberlake Host Darren Legallo's "Nothing You Don't Know" Exhibition "Nothing You Don't Know" Exhibition Delta Airlines Pre-Grammy Showcase For Epic Records Recording Artist Ginny Blackmore The Sunset Marquis Stassi Schroeder OK! Magazine Pre-GRAMMY Party