Where Did Katy Perry Take Her 90 Year Old Grandmother For Her Birthday? VEGAS BABY!

Katy Perry took her grandmother to Las Vegas to celebrate her 90th birthday. Of course she did! :)

Katy and her husband Russell Brand took Ann to ‘Planet Hollywood’ where they celebrated at ‘Strip House’ steak house. The singer then tweeted:

“Happy 90th birthday grandma HUDSON! You’re the reason why!”

Did you hear that Katy’s song ‘California Gurls’ was the most downloaded song in 2010? I’m talking 4,398,212 million times in the US ALONE!!! WOWOWOWOOWOOWO! Congrats!

Photos by FAME