Stephanie Pratt says ADIOS to SPENCER and HEIDI! GOOD for HER!

The Hills’ Stephanie Pratt is in hot water with her brother, Spencer Pratt, and his girlfriend, Heidi Montag. “I haven’t talked to them in three weeks,” Stephanie tells In Touch. “They don’t want anything to do with me right now.” The feud stems from her friendship with her Fashion Institute of Design & Merchandising classmate Lauren Conrad. “Spencer and Heidi had enough after Lauren showed up at Stephanie’s birthday party last month,” says an insider. “I just don’t understand it at all,” says Stephanie. “I think I should be able to be friends with whomever I want.” At least she didn’t have to worry about an awkward run-in with the two at the Hills’ season finale party in Beverly Hills. “Heidi and Spencer weren’t even invited,” an insider reports. “Lauren doesn’t want their drama.” Stephanie partied with Lauren and another pal on May 15 at Goa nightclub in LA. Spencer and Lauren have been enemies since she blamed him for rumors about her being in a sex tape.For more check out the new In Touch, on sale now.

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