The David Lynch Foundation honors Ringo Starr with a star-studded tribute concert including Joe Walsh, Ben Folds, and the Beatle himself; Benedict Cumberbatch poses for photos with fans after the PBS "Sherlock" panel at Day 12 of the Winter TCA Tour; Justin Timberlake brings The 20/20 Experience to The Forum—catch up on all of this and more in today's installment of Last Night's Parties.