Feud Alert: Lady Gaga vs. Anna Wintour

Lady Gaga may reign supreme with her little monsters, but she’s failed to find a fan in Vogue editor Anna Wintour.

A feud of sorts has been brewing between the two fashion icons since Gaga reportedly kept Wintour waiting at the Metropolitan Museum Costume Institute Gala in May, when Mother Monster (that would be Gaga) delayed her performance, Wintour said, because she was “communing with God.”

Now the author of the Gaga tell-all book, Poker Face: The Rise and Rise of Lady Gaga, tells RadarOnline that the Met Ball showdown left quite the bad taste in Wintour’s mouth.

“Anna wasn’t impressed. She thought that she was just sort of behaving like a childish diva and not the professional who was about to perform for her peers, these incredibly famous designers and celebrities,” Maureen Callahan wrote.

Check out Anna dishing about Gaga here:

If Anna is as miffed as Callahan claims she is, Vogue Japan covergirl Gaga may never grace the cover of American Vogue.

Whose side are you on in the Gaga vs. Anna feud? Let us know in the comments.