However, their split was only temporary, as not only did they get back together months later, but they also got engaged. The "Say Something" singer proposed to his longtime girlfriend in Montana, which would later serve as inspiration for the single "Montana" off of his 2018 "Man in the Woods" album.
During a visit to the state and amongst the beautiful scenery of the mountains, Timberlake popped the big question. "I had the ring on my pinkie and I was like, 'Look at the shadows over there on the mountains,' and she was like, 'Oh yeah, that's beautiful,' and I was like, 'Do you see it?'" he previously explained to Amazon Music (via The Knot).
Biel called the whole thing "wonderful," though she did reveal to the Associated Press at the time that marriage was not in the cards for her. "It's actually not anything I ever really thought was going to happen to me or that I really wanted. And when it happened it just seemed . . . it just was right," she said (via Access).