After singing, she shouted out, “I’m sorry, you had to be there, 2009 and 10.” Which is funny, but also inaccurate, Katy ...

Another Katy Perry single, 2008’s “Thinking of You,” has been generating buzz on TikTok.

A decade and a half after its release, Katy Perry's "Last Friday Night (T.G.I.F.)" debuts on multiple Billboard charts, ...

“Last Friday Night (T.G.I.F.),” off her third studio album “Teenage Dream,” has entered the Billboard Global 200 (No. 196) and the Billboard Global Excl. U.S. charts (No. 198) after going viral on ...