• Katy Perry posts a new video on Instagram
  • It features the singer in a skimpy bikini
  • She slaps her bum at the end!

Katy Perry, 39, expressed heartfelt gratitude to her fans following her thrilling performance at Rock in Rio. The singer took to Instagram to celebrate the concert's success, which also marked the debut of her highly anticipated new album, '143.'

Also interesting:

Katy Perry in a skimpy bikini - she flaunts her bum!

In an Instagram video, Katy Perry sported a skimpy bikini in the vibrant colours of Brazil. Standing on the balcony of her hotel in the Brazilian capital, she tossed pink roses into the night and expressed her heartfelt thanks to fans for their incredible support.

The audience had every reason to be ecstatic as Katy Perry delivered an unforgettable performance, complete with stunning aerial acrobatics on stage.

A few hours later, the singer reignited the excitement with an Instagram photo that left fans buzzing: the snapshot featured Katy Perry's backside in a bikini. If that’s not sizzling hot...

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Katy Perry shows her flip side in a bikini

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