Stars' Shocking Breakups

Ariana Grande is single, plus Emma Stone and Andrew Garfield, Gwyneth Paltrow and Chris Martin and more celebs who called it quits

HILARY & MIKE

Nearly two years after the birth of their son, Luca, Duff and her retired hockey player husband Comrie announced their separation on Jan. 10, 2014. "They remain best friends and will continue to be in each other's lives. They are dedicated to loving and parenting their amazing son," says a rep for the actress, who wed Comrie in August 2010 following three years of dating.