Nicki Minaj's performance at the Grammys on Sunday night certainly seemed very Lady Gaga-ish, but thanks to her head-turning exorcism number, there's one group that isn't exactly pleased with all of the attention. The Catholic League is slamming the star for her performance.OK! NEWS: NICKI MINAJ GRAMMY PERFORMANCE EXORCISM — CREATIVE PERFORMANCE OR TOO LADY GAGA After Nicki arrived at the Staples Center in L.A. with a Pope look-a-like, she sang "Roman Holiday" and appeared onstage in a mock confessional while dancers dressed as ... Read More >>