Tom Hanks, Colin Farrell, and Emma Thompson hit the premiere of Saving Mr. Banks; Selena Gomez, Lily Collins, and Fred Armisen celebrate Flaunt's November issue at Hakkasan; Jeremy Renner, Edward Norton, Gavin Rossdale and Gerard Butler look sharp at the grand opening of the Ermenegildo Zegna Boutique on Rodeo Drive—see how L.A. got a head start on weekend festivities in this edition of Last Night's Parties.