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Katy Perry has a case of Justin Bieber fever as she proudly steps out in a fan T-shirt | Daily Mail Online
![VMAs 2017: Katy Perry Just Shaded Justin Bieber For Not Knowing the Lyrics to "Despacito" | Teen Vogue VMAs 2017: Katy Perry Just Shaded Justin Bieber For Not Knowing the Lyrics to "Despacito" | Teen Vogue](https://assets.teenvogue.com/photos/59a42e79d739f73884846d31/master/pass/tout.jpg)
VMAs 2017: Katy Perry Just Shaded Justin Bieber For Not Knowing the Lyrics to "Despacito" | Teen Vogue
Billboard Music Awards: A naked Miley Cyrus, Katy Perry as a mermaid and Justin Bieber on stage - Mirror Online
![Justin Bieber News on Twitter: "Check out this photo of Katy Perry posing next to a picture of Justin from his Calvin Klein campaign of 2016! https://t.co/FH1PsPAr9t" / Twitter Justin Bieber News on Twitter: "Check out this photo of Katy Perry posing next to a picture of Justin from his Calvin Klein campaign of 2016! https://t.co/FH1PsPAr9t" / Twitter](https://pbs.twimg.com/media/DqO4McGX4AEqmr0.jpg)
Justin Bieber News on Twitter: "Check out this photo of Katy Perry posing next to a picture of Justin from his Calvin Klein campaign of 2016! https://t.co/FH1PsPAr9t" / Twitter
![EXCLUSIVE PHOTOS - Katy Perry Has "Bieber Fever" At Lunch - Entertainment News Photos and Video - X17 Online - Entertainment News Photos and Video - X17 Online EXCLUSIVE PHOTOS - Katy Perry Has "Bieber Fever" At Lunch - Entertainment News Photos and Video - X17 Online - Entertainment News Photos and Video - X17 Online](https://s3-us-west-2.amazonaws.com/x17-photo-sets/conv/2012/03/kperryEXCL032412_X17/kperryEXCL032412_23-full.jpg)