Listen to Waking Up In Vegas (Originally Performed By Katy Perry) online. Waking Up In Vegas (Originally Performed By Katy Perry) is an English language song and is sung by DJ MixMasters. Waking Up In Vegas (Originally Performed By Katy Perry), from the album Ultimate Classic Chart Ringtones #27, was released in the year 2016. The duration of the song is 0:28. Download English songs online from JioSaavn.