Lighting up the stage! Katy Perry performs during the semi finals of The Voice Of Germany on Friday
Their behind you! The Wide Awake singer had a white theme for her performance, which was filmed in Berlin
Bridal-inspired: The 29-year-old made sure she stood out in a light-up dress
Atmospheric: The star’s dress featured frills around the top and hemline
Show-stopping: Katy’s outfit featured pink and purple LED lights
Ray of light: The Prism star finished off her costume with silver sparkly heels and a flower garland in her hair
Spooky: The singer’s backing dancers cut ghostly figures as she belted out hit, Unconditionally
Rock chick: Katy later changed into a skimpy top and tartan skirt as she sang her second song of the night
