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!
Rachel Zoe and Brad Goreski
Though Goreski claims his professional split with Zoe was amicable, a source close to the styling duo says otherwise. "Brad has gotten a little big in the head and Rachel is not happy," a source tells Us. As for Zoe? "She's so focused on everything else that he was doing all of the work."