looks fierce as she arrives at the 2009 MTV Video Music Awards
at the Radio City Music Hall in New York City on Sunday (September 13).
Before the show, the 24-year-old singer gave a quick tweet to new friend Taylor Swift
"I hear ur dressing room is next door to me!" tweeted Katy
. "Just know if you need to borrow a cup o' sugar, I'm your girl. Good luck 2day doll."