Katy Perry whipped off a panel on the top of her dress to reveal a bra on Sunday's episode of American Idol.'Mommy dearest is in the room right now,' Lionel Richie, 71, said as his fellow judge entered the auditions. 'You need to show and tell.''That's right!' agreed Katy, 36. 'And if I need to feed, I'm ready to go!' Ready to feed:Katy Perry whipped off a panel on the top of her dress to reveal a bra on Sunday's episode of American Idol Mommy dearest:'Mommy dearest is in the room right now,' Lionel Richie, 71, said as his fellow judge entered the auditions. 'You need to show and tell'The Grammy winner yanked down a small rectangle of her cow-print frock to reveal a cream-colored bra, with easy access for breastfeeding.Daisy Dove, Katy's.
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