Some stars cannot be best friends forever. Find out why these former celebrity BFFs are no longer pals, including Kim Kardashian and Paris Hilton's disintegration of friendship due to jealousy issues, Jill Zarin and Bethenny Frankel's nasty falling out on reality TV, and more!
Nicole Richie and Lindsay Lohan
After being shut out of Charlotte Ronson's private Hollywood party at Chateau Marmont in 2009, Richie reportedly dissed Lohan by ignoring the actress as she walked by her. "Everyone's turned on me," Lohan later told Us.