The welcome mat is laid down and plum worn out by the comings and goings of various guests — welcome or not —in this audacious, gender-bending comedy. FBI undercover agent Malcolm Turner (Martin Lawrence, letting it all hang out and then some) is the agency's resident Lon Chaney, donning one criminal-nabbing disguise after another. On their latest case, Turner and his partner (Paul Giamatti) are sent down South to recapture an escaped bank robber named Lester (Terrence Howard), who's desperately trying to recover his stolen loot. The agents
stake out the home of a woman known to everyone as "Big Momma" (Ella Mitchell); she's about to get a visit from granddaughter S...