T.G.I.F. - Is Selena Gomez In 'Love' With Justin Bieber? (January 31, 2012)

T.G.I.F. - Is Selena Gomez In 'Love' With Justin Bieber? (January 31, 2012)

Did David Letterman grill Jennifer Lopez about her breakup with Marc Anthony? Does Selena Gomez love Justin Bieber to her fullest? Plus, is David Hasselhoff having trouble getting his girlfriend to marry him?