Heidi Montag & Spencer Pratt Heidi Montag has filed for divorce just two months after legally separating from estranged husband Spencer Pratt, citing irreconcilable differences in the divorce petition, which was filed in Santa Monica Superior Court.

Last month, 'The Hills' starlet moved out of the home she shared with Pratt. When the couple first broke up, Heidi told PEOPLE, "There are so many lies out there about me and I just needed space -- even away from my husband."

"Heidi has amended her petition for separation and today has filed a petition for dissolution of marriage from Spencer Pratt," Montag's lawyer, Jodeane Farrell, said. "The couple has agreed they would like their divorce to be finalized in a timely manner in an out of court settlement. Both parties are amicable with each other and over the possibility of finalizing their divorce."