Now we think we know where Tom Cruise was last night while Katie Holmes labored through her Broadway premiere all alone: Snapshots from a Defamer spy suggest he hit Century City after hours, sneaking the first of Valkyrie's oversize stand-ups into the lobby at MGM. We have it on good authority from the inside that such direct marketing of an MGM release in the faces of its employees and other building tenants is an unprecedented move for the buttoned-down distributor, but face it: You'd probably do the same thing if you had the chance cut your studio's holiday decoration budget by 95 percent. [Follow the jump for the enlarged detail.]