After a break-up all you want to do is stay in bed with a bag of potato chips and a bowl of ice-cream. Most of people who separate from their partners start to overeat, stop doing sports and begin to look awful. But these 10 celebrities went against the current - just to get back at an ex!
1. Kourtney Kardashian
Courtney broke up with Scott Dysik and radically changed her appearance.
2. Kaley Cuoco
After a painful divorce from Ryan Swift the first thing Kaley did was go to a gym.
3. Demi Lovato
Demi admitted that she channeled all her negative energy after splitting up with Wilmer Valderrama into sports. In 2016 she even became a Sketchers add campaign face.
4. Khloe Kardashian
We can only imagine what Lamar Odom felt when he saw the transformation of his ex, but the boat has sailed...
5. Hilary Duff
After she had divorced hockey player Mike Comrie, she lost 15 kilos (and at least 5 years).
6. Jennifer Lopez
While she was married to Mark Anthony, Jennifer was a true housewife. After their separation she reclaimed her sex-symbol title in less than a year.
7. Sam Smith
The singer said that he had decided to loose wait after another messy break-up. He turned to a popular celebrity nutritionist Amelia Freer and managed to loose 25 kilos.
8. Jonah Hill
This is probably one of the most stunning transformations in Hollywood. Not many people know that he started loosing weight after a separation from his high school sweetheart.
9. Kelly Osborne
She radically changed not only her body, but her style as well after breaking up with Matthew Mossart.
10. Zac Efron
Thanks to his ex Vanessa Hudgens we can now enjoy the new, matured and athletic Efron.