Derrick Barry - My drag led me to working with Katy Perry in "Waking Up In Vegas", opening for Lady Gaga in Las Vegas, starring in Olivia Newton-John's "You Have To Believe",
Katy Perry - "Waking Up in Vegas" | "You gotta help me out... It's all a blur last night..." TEN years ago, Katy Perry and I collaborated on "Waking Up in Vegas"
![Katy Perry promoting her new song, 'Waking up in Vegas" | House of Beccaria | Vegas outfit, Katy perry, Las vegas outfit Katy Perry promoting her new song, 'Waking up in Vegas" | House of Beccaria | Vegas outfit, Katy perry, Las vegas outfit](https://i.pinimg.com/originals/01/e1/e3/01e1e321004e83b3f02a2f7e2b4af2a0.jpg)
Katy Perry promoting her new song, 'Waking up in Vegas" | House of Beccaria | Vegas outfit, Katy perry, Las vegas outfit
![File:Katy Perry interpretando Waking Up In Vegas en su gira California Dreams Tour.jpg - Wikimedia Commons File:Katy Perry interpretando Waking Up In Vegas en su gira California Dreams Tour.jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/thumb/7/75/Katy_Perry_interpretando_Waking_Up_In_Vegas_en_su_gira_California_Dreams_Tour.jpg/800px-Katy_Perry_interpretando_Waking_Up_In_Vegas_en_su_gira_California_Dreams_Tour.jpg)