Katy Perry, Snoop Dogg, Christina Aguilera, Liam Payne

“Swish Swish” singer Katy Perry heads to The Tonight Show starring Jimmy Fallon in New York.

Music artist Snoop Dogg heads to Jimmy Kimmel Live! in Hollywood.

Singer Christina Aguilera on the set of a photo shoot in Montreal.

Singer Liam Payne greets his adoring fans in London.

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