Julia Roberts, George Clooney, and Juliette Lewis attend the August: Osage County screening event; Naomie Harris, Angela Bassett, and Idris Elba hit the red carpet for the premiere of Mandela: A Long Walk to Freedom sponsored by Burberry; Kelly Rowland and Randy Jackson pay tribute to Smokey Robinson and Berry Gordon at the GRAMMY Museum Gala—get the scoop on who was out and about at Monday's top events in this installment of Last Night's Parties.

The Guest List

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Byrdie Bell• Steve Nash• Juliette Lewis• Ralph Fiennes• George Clooney• Kelly Rowland• Quentin Tarantino• Quincy Jones• julia roberts• Emmanuelle Chriqui• Anika Noni Rose• Randy Jackson• Will Forte• Tracee Ellis Ross• Bruce Jenner• Kendall Jenner• Alfre Woodard• chris cooper• Kris Jenner• Hill Harper• Taraji P Henson• Lance Gross• Smokey Robinson• Julianne Nicholson• Stana Katic• Noa Tishby• Kylie Jenner• Sal Masekela• Omarosa Manigault• Anouck Lepere• The Grammy Museum• Greg Louganis• Laura Dern• Stacy Keach• Jacqueline Bisset• Andrew Rannells• Dermot Mulroney• Martin Landau• Adam Goodman• Angela Bassett• Leonard Maltin• Margo Martindale• Tommy Davidson• Jay Williams• Bob Odenkirk• Michael Bolton• Idris Elba• David Oyelowo• Neil Portnow• Shawn Stockman• Sebastian Roche• Ana De la Reguera• Alexander Payne• Jacqueline Lyanga• Sally Kirkland• Mike Barker• Ted Sarandos• Jimmy Jam• Lisa Leslie• Suzanne De Passe• Doug Morris• Nathan Morris• Wanya Morris• Ron Yerxa• Bill Withers• DJ Shy• Berry Gordy Jr• Bob Gazzale• John Savage• Marc Evans• Blanca Bianco• Naomie Harris• Yoshiki• Ivana Milicevic• Bob Santelli• Carol Connors• TCL Chinese Theatre• Brandon Jenner• Mo McRae• Roderick Spencer• Shaunie O'Neal• Bruce Dern• Albert Berger• Zindzi Mandela• The Weinsten Company• Mandela: Long Walk to Freedom After Party• Justin Chadwick• Terry Pheto• Cush Jumbo• Anant Singh• Alex Heffes• Jessica Oyelowo• Mike B• Nomfusi Gotyana• Ayuko Babu• Erik Lomis• Shohreh Aghdasloo• Marianne Jean-Baptiste• Hadas Yaron