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!
Brody Jenner and Spencer Pratt
After Pratt's violent outbursts got him kicked off The Hills, Jenner opened up about his rift with his former castmate. "Lately, it's hard for me — even as someone who used to be best friends with him — to see what's real and what's not as far as he goes," Jenner explained.