And, let’s face it: You can never get wrong with Vegas. So that, the “I Kissed A Girl” hit maker took her grandma and the rest of the family to Sin City to celebrate such a huge landmark on her grandma’s life.
Kate and Russell took her grandma Ann to the Planet Hollywood Hotel and Casino for a fabulous dinner at a Strip House steak.
Katy – whose real name is Katy Hudson – tweeted: “Happy 90th birthday grandma HUDSON! You’re the reason why!”
Perry has also another reason to celebrate as it was officially revealed that her song ‘California Gurls’ was the biggest selling digital song of 2010: It was downloaded 4,398,212 million times in the US and sold eight million singles, digital tracks, mobile tracks and videos worldwide.