Katy Perry and Lady Gaga lead MTV Europe noms

MTV VIDEO MUSIC AWARDS WTF: Lady Gaga, Katy Perry, Nicki Minaj, Justin Bieber

MTV Music Video Awards 2013 -- Performances - Miley Cyrus, Justin Timberlake, Lady Gaga & Katy Perry

Adele, Lady Gaga, Jennifer Lopez, Katy Perry | BEST DRESSED CELEBRITIES | Grammys 2017

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American Music Awards 2013 -- Best and Worst Dressed -- Taylor Swift, Miley Cyrus, Katy Perry, Gaga

American Music Awards 2013 -- Best and Worst Dressed -- Taylor Swift, Miley Cyrus, Katy Perry, Gaga

2013 VMAs Lady Gaga Katy Perry Performing

Kesha vs Bieber vs Lady Gaga vs Katy Perry MIX

Kesha Lady Gaga Katy Perry Rihanna (News Song Remix 2012)

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Celebrities ALS Ice Bucket Challenge - Kate Upton, Selena Gomez, Katy Perry, Lady Gaga, &

Glee Season 5 Episode 4 Preview – Katy Perry VS Lady Gaga

Lady Gaga et Katy Perry mêlées à la bataille légale de Kesha

Lady Gaga vs Katy Perry

Looking Back At Past Woman Of The Year: Billie Eilish, Katy Perry, Lady Gaga & More | Billboard News

Katy Perry & Lady Gaga to perform at Grammys

Lady Gaga Throws Shade At Katy Perry: 2008

Lady Gaga upsets Katy Perry

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