Boy, I sure hope Kitty Purry won't be too upset when she sees this.  But I definitely think Katy Perry would app-purr-rove!  Shot earlier this month at the Humane Society of New York in midtown Manhattan, singer/bassist Kate Davis and her band performed Katy's smash song 'Roar' in a room full of adorable, adoptable kittens, many of whom meow out loud as Davis belts out the tune.