We're sorry for the late notice, but you've still got a few minutes left to haul ass to the Virgin Megastore in Union Square, where 50 Cent will be signing copies of his new autobiography, From Pieces to Weight. (Be sure to say hi to Lloyd Grove for us; he'll surely be on the scene as his new beat seems to encompass all things "Fitty.") Because imitation is the sincerest form of flattery, we're sure Mr. Cent will take kindly to those of you wearing bulletproof vests and Kevlar top hats.