According to US Weekly pop sensation Justin Timberlake proposed to longtime girlfriend Jessica Biel after more than four years of dating.
The on-again-off-again couple got engaged in Jackson, Wyo., in late December, according to the magazine.
Timberlake, 30, and Biel, 29, split briefly last year, but the two got back together after about three months apart.
"When they reunited, they had a conversation about taking the next step," a source told US Weekly in the issue out on Friday.
So far, neither Biel nor Timberlake has confirmed the engagement.
Timberlake first became famous as a member of "The Mickey Mouse Club" when he was 12, singing and dancing on the Disney show. He later became the frontman for boy band 'N Sync, and he went on to perform as a solo artist, winning six Grammys along the way.
Biel has also been in the limelight since her childhood, as she starred in the popular family TV series "7th Heaven" at the age of 14. Most recently she appeared in the film "New Year's Eve," which is now in theaters.
Coincidentally, Biel has a younger brother named Justin.