Hanging tough, indeed! The New Kids on the Block perform live for the first time since 1994. Coming soon: a new album. (NBC, 7 a.m.)

Tyra Banks crowns the beauty battle's 10th victor. First, though, the finalists shoot a CoverGirl commercial, followed by another runway square-off. (CW, 8 p.m.)

Frenemies Lauren Conrad and Heidi Montag wrap up the reality drama's season (after a live red carpet preshow). Will Montag leave on-and-off love Spencer Pratt behind for a gig in Las Vegas? (MTV, 10 p.m.)