Add Yahoo as a preferred source to see more of our stories on Google. (NewsNation) — A 15-year-old Katy Perry song has made its way back on the Billboard charts. "Last Friday Night (T.G.I.F.)," off ...

Pop star Katy Perry brings back famous Simlish version of 'Last Friday Night' at concert During Katy Perry’s Lifetimes Tour stop in Toronto a fan had a special request, the Simlish version of “Last ...

DUBAI: US singer Katy Perry is set to headline the New Year’s Eve Gala Dinner at Atlantis, The Palm in Dubai on Dec. 31. Perry will perform outdoors, with a setlist expected to include “Firework,” ...

From 'Firework' to 'Roar', Katy Perry brings her biggest hits to a concert under the stars to ring in the new year.