Bobby Berk explained why he is cautious about working with celebrities after a run-in with a Real Housewives of New York City star.“Celebrities can be a pain in the ass sometimes,” the Queer Eye star, 38, admitted during a Thursday, June 18, appearance on The Jenny McCarthy Show. “A lot of times there can be some that expect everything for free.”Berk then recounted a horror story with a Bravo star — whom he never named — from years earlier.