Last Night's Parties: Will Ferrell, Jon Hamm Perform Comedy For Charity, Naomi Watts, Jessica Chastain Hit Their Premieres & More

The Impossible Premiere

Where: ArcLight Hollywood Who Was There: Naomi Watts, Petra Nemcova, Ewan McGregor, Sharon Leal, Katherine McNamara, Alison Sweeney, Gene Simmons, David Henrie, Juan Antonio Bayona, Dennis Haysbert, Doris Roberts, Shannon Tweed, Sophie Simmons, Tom Holland, Eve Mavrakis, Joel Courtney, Maria Belon, Rob Friedman. Naomi Watts Tom Holland, Naomi Watts, Ewan McGregor Petra Nemcova, Maria Belon, Naomi Watts Gene Simmons, Shannon Tweed, Tom Holland, Ewan McGregor Ewan McGregor, Eve Mavrakis, Dennis Haysbert, Petra Nemcova, Enrique Alvarez [Photos Via]