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!
Jon Gosselin and Michael Lohan
Gosselin became fast friends with Lindsay Lohan's estranged dad in the Hamptons in July 2009. But their friendship was doomed after Lohan began dating Gosselin's ex, reporter Kate Major, later that year.