Katy Perry's Sweet Tribute to Sabrina Carpenter's Concert!

Pop sensation Katy Perry attended Sabrina Carpenter's electrifying concert in LA and was spotted with her ex, John Mayer! The star-studded event also saw appearances by celebrities like Cara Delevingne, Sarah Michelle Gellar, and Blue Ivy Carter. Fans and media alike are abuzz with speculation-are Katy and John rekindling their romance or are they just friends? Watch our video to get the inside scoop on this intriguing encounter and the dazzling lineup of stars who joined the fun!
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