In a world where celebrity relationships can often be fleeting, it's not uncommon to look back and be surprised by the couples who were once an item. Here is a list of 45 celebrity couples who were dating in 2014 but have since gone their separate ways:
1. Britney Spears and Charlie Ebersol
2. Amanda Seyfried and Justin Long
3. Tiger Woods and Lindsey Vonn
4. Big Sean and Ariana Grande
5. Suki Waterhouse and Bradley Cooper
6. Jennifer Lawrence and Chris Martin
7. Mary-Kate Olsen and Olivier Sarkozy
8. Jenny McCarthy and Donnie Wahlberg
9. Chad Kroeger and Avril Lavigne
10. Future and Ciara
11. Sean Penn and Charlize Theron
12. Prince Harry and Cressida Bonas
13. Olivier Martinez and Halle Berry
14. Nick Loeb and Sofia Vergara
15. Ryan Sweeting and Kaley Cuoco
16. Joe Jonas and Blanda Eggenschwiler
17. Megan Fox and Brian Austin Green
18. Jon Hamm and Jennifer Westfeldt
19. Casper Smart and Jennifer Lopez
20. Gwen Stefani and Gavin Rossdale
21. Jennifer Lawrence and Nicholas Hoult
22. Miranda Lambert and Blake Shelton
23. Wiz Khalifa and Amber Rose
24. Taylor Bagley and Zach Braff
25. Michelle Rodriguez and Cara Delevingne
26. Matthew Bellamy and Kate Hudson
27. Hilary Duff and Mike Comrie
28. Emma Stone and Andrew Garfield
29. Rita Ora and Calvin Harris
30. Brooklyn Beckham and Chloë Grace Moretz
31. Jordin Sparks and Jason Derulo
32. Josh Groban and Kat Dennings
33. Miley Cyrus and Patrick Schwarzenegger
34. Nick Cannon and Mariah Carey
35. Katy Perry and John Mayer
36. Olivia Munn and Aaron Rodgers
37. Khloe Kardashian and French Montana
38. Zac Efron and Michelle Rodriguez
39. Justin Theroux and Jennifer Aniston
40. Diane Kruger and Joshua Jackson
41. Drew Barrymore and Will Kopelman
42. Nick Jonas and Olivia Culpo
43. Jack Antonoff and Lena Dunham
44. Zooey Deschanel and Jamie Linden
45. Nick Kroll and Amy Poehler
While these relationships may have ended, the memories of these celebrity pairings will live on in the annals of Hollywood gossip.