Pop star Katy Perry suffered an embarrassing wardrobe malfunction while performing at BBC Radio 1's Big Weekend.

The Chained to the Rhythm singer flashed her underwear as she was crouching down on stage, reported Ace Showbiz.

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Perry opted for a metallic look for the gig, sporting a silver sequin dress paired with matching silver blazer.

She gave a touch of fierceness to her appearance by donning a heavy eye make up.

The Roar hitmaker completed her look with dangling silver earrings and white Nike sneakers.

The Firework singer delivered a powerful performance as she crooned several of her hit songs.

The 32-year-old singer later dedicated an acoustic version of "Part of Me" to the victims of Manchester concert bombing.

"I think that you guys are extremely beautiful and I think that we're all extremely brave and we're all in this together, aren't we?" she said.

"And you know what? We will still dance, we will still sing, we will still make music. This next one goes out to Manchester and to all the people that know what it means to love music and be a community because of it." PTI JCH