Read more: Celebrities Who Are Completely Unrecognizable Without Makeup In the early 2010s, Katy Perry and Selena Gomez were spotted together at various award shows. While they never seemed to ...

Some* of his credits include Rihanna's "Diamonds," Katy Perry's "Teenage Dream," Kesha's "TiK ToK," Britney Spears' "Circus," Justin Bieber's "Lonely," and Selena Gomez's "Same Old Love." ...

Selena Gomez is having quite a year ... Among the songs he’s credited on as a writer and producer include Katy Perry’s “Teenage Dream,” Kesha’s “Tik Tok,” “Circus” by Britney ...