Waking Up in Vegas
single by Katy Perry
"Waking Up in Vegas" is the fourth and last single from the Katy Perry studio record One of the Boys. It was released to radio April 21, 2009 and received positive reviews by the music critics. The song peaked near #1 on Billboard Hot 100, giving Perry her third top ten song off that album. It also topped #1 in Australia and the Netherlands.