Maggie Siff, Robin Weigert, 50 Cent, Sugar Ray Leonard, and other celebs strut the red carpet of premieres for Concussion and Tapia at the L.A. Film Festival; Melissa Leo, Danielle Panabaker, and more hit the The Creative Coalition 2013 Summer Soiree; Metta World Peace, Phil Jackson, and other Lakers fans step out to honor Dr. Jerry Buss; Ashely Olsen, Mary-Kate Olsen, Stacy Keibler, Ashley Madekwe and other fashionistas attend the launch of the Elizabeth And James Fall 2013 Handbag Collection; Jackie Collins and Raquel Welch step out for Terry O'Neill's photo presentation—catch up on L.A.'s top Hump Day happenings in this edition of Last Night's Parties.

Elizabeth and James Ashley Olsen 50 Cent olsen twins Mary Kate and Ashley Olsen Mary-Kate Olsen Chateau Marmont Brittany Snow Melissa Leo Kate Walsh Robin Bronk Ashley Madekwe Ariel Foxman Stacy Keibler InStyle Alfre Woodard Steven Weber CCH Pounder Richard Schiff Jackie Collins Phil Jackson Louise Roe Raquel Welch Kiernan Shipka Analeigh Tipton Jeffrey Ross Rob Morrow Claire Holt Hannah Simone Aimee Teegarden Frances Fisher Regal Cinemas L.A. Live Metta World Peace Naya Rivera Steve Tisch Doug Jones Bree Turner Luis Barajas Vibiana Leslie David Baker Andrea Bowen Johnny Gill Sugar Ray Leonard Kim Porter Ahna O'Reilly Danielle Panabaker Russell Peters Amandla Stenberg Maggie Siff David Ansen David Rone Mouche Gallery Arno Elias Keiko Noah Mari Vanna Terry O'Neill Bar Paly Steve Blake Willa Holland Jeanie Buss Tatiana Brunetti Melonie Diaz Gia Skova Robin Morgan Robin Weigert 2013 Los Angeles Film Festival Concussion Premiere Tapia Premiere Stacie Passon Barb Morrison Rose Troche Johnathan Tchaikovsk Ruben Paul Lou DiBella Theresa Tapia Eddie Alcazar The Creative Coalition 2013 Summer Soiree David Garber Eliza Weiss Sulinh Lafontaine Nosheen Phoenix TWC Media's "View From The Top" Upfront Honoring LA Lakers' Dr. Jerry Buss TWC Lisa Meier Joan Gillman Gary Vitti Mitch Kupchak Robert Sacre Adrian Garcia Marquez Stu Lantz Kristen Blake James Worthy Bill Macdonald Colby Donaldson Mark Shuken Darius Morris InStyle Celebrates The Launch of Elizabeth And James Fall 2013 Handbag Collection Langley Hemingway Terry O'Neill Presents The Opus: A 50 Year Retrospective