Lady Gaga was dubbed a "childish diva" by Anna Wintour, according to the eccentrically dressed singer’s biographer.
Maureen Callahan, author of Poker Face: The Rise and Rise of Lady Gaga, claims the no-nonsense Vogue editor-in-chief was left unimpressed after Gaga performed at the Metropolitan Museum Costume Institute Gala in May.
"She (Gaga) sort of had a meltdown before she went on and as it was described to me, Anna was really none too pleased with her," Callahan told RadarOnline.com.
"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."
Callahan claims that Wintour refused to bow to Gaga’s alleged demands.
She continues: "She sequestered herself in the back room for a good hour. She was an hour late to perform and I also heard that she had been demanding things. She went to Anna at the last minute and was saying, 'I'd like it to be this way.'
"And Anna just said no. I don't think she's used to hearing that very often. When you're dealing with two egos like that, it gets interesting."
We'd just love to know what Anna Wintour makes of the meat dress Gaga wore to the VMAs on Sunday?
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