Justin Timberlake, Jessica Biel Engaged: 5 Other On Again Off Again Celeb Couples
If there's one thing we've learned from Justin Timberlake and Jessica Biel's engagement, it's this: breaking up doesn't always mean it's the end.
Although the celeb couple split in March, Timberlake and Biel gave their on-again, off-again four-year relationship another shot -- rekindling their romance in the fall, and getting engaged late last month while on vacation in Wyoming, according to US Weekly.
Biel and Timberlake aren't the only celebs who have gone through a break-up and make-up cycle before ultimately deciding to tie the knot. Click through the slideshow below to see other star couples who split, got back together -- and then got engaged.