Love is in the air in 2012! Justin Timberlake and Jessica Biel can add themselves to the list of celebs engaged for the new year! The singer proposed to his on-again-off-again girlfriend of five years while on vacation in Wyoming in late December, according to Us Weekly. “Justin knows how much she loves snowboarding and the mountains, so it was the perfect place,” a friend said. Congrats to the happy couple!