1. Wilmer Valderrama and Demi Lovato
2. Taylor Swift and Calvin Harris
3. Joshua Jackson and Diane Kruger
4. Brooklyn Beckham and ChloΓ« Grace Moretz
5. Ricky Alvarez and Ariana Grande
6. Sharon and Ozzy Osbourne
7. Keshia Knight Pulliam and Ed Hartwell
8. Christie Brinkley and John Mellencamp
9. Jennifer Lopez and Casper Smart
10. Lady Gaga and Taylor Kinney
11. Bella Thorne and Gregg Sulkin
12. Amber Heard and Johnny Depp
13. Nicholas Cage and Alice Kim
14. Drew Barrymore and Will Kopelman
15. Josh Groban and Kat Dennings
UPDATE: Literally one hour after this was published Us Weekly broke the news that Taylor Swift and Tom Hiddleston have split up!