Katy Perry’s 2011 song "Last Friday Night (T.G.I.F)" from her third studio album, Teenage Dream, has debuted on US Spotify.

Katy Perry surprised the audience at her Los Angeles concert by bringing Rebecca Black on the stage for a special performance of Last Friday Night (T.G.I.F.).

In a performance that got social media buzzing, Katy Perry and Rebecca Black teamed up for a surprise duet of viral hit "Last ...

Rebecca, meanwhile, donned an equally short leopard print mini dress with a flared skirt. She wore black heeled knee-high boots, switching these for cream fluffy over-the-knee boots and a matching her ...

Rebecca Black will be joining Katy Perry on her Lifetimes Tour starting from May, the singers have confirmed. It comes after ...

When Helena Moreno was presenting the proclamation, the famously cheeky singer asked if she needed to flash city officials and the audience to seal the deal.

In the weeks leading up to Mardi Gras, stop by one of several Carnival markets for last-minute costume options and ... and catch performances by Katy Perry and Train as the parade finishes in ...