During a recent concert, pop star and former American Idol judge Katy Perry was asked by a fan in the audience to sing the Simlish version of “Last Friday Night” as it appeared in The Sims 3 ...

In Simlish During one of Katy Perry's tour stops, she was performing songs off her usual setlists when she was handed a piece of paper requesting the Simlish verson of her song, Last Friday Night.

Nor does she have to grab a fan’s phone during the fizzy twofer of “ Hot N Cold ” and “Last Friday Night (T.G.I.F.)” and scamper around the stage to take priceless video for them.