Top 10 worst celebrity breakups in Hollywood History br 10. Brad Pitt and Angelina Jolie br 9. Johnny Depp and Amber Heard br 8. Britney Spears and Justin Timberlake br 7. Justin Bieber and Selena Gomez br 6. Zayn Malik and Perrie Edwards br 5. Zac Efron and Vanessa Hudgens br 4. Kristen Stewart and Robert Pattinson br 3. Mariah Carey and Nick Cannon br 2. Rachel Mcadams and Ryan Gosling br 1. Taylor Swift and Calvin Harris br br Please like, Share, Comment and Subscribe.