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
Raunchy: The singer showed off her ample cleavage as she danced raunchily with her fishnet-clad dancers
Bizarre: The singer’s pins are on display in the short skirt, which was worn with a red purse over the top
Smoking: The curvy star posed alongside a cube at the start of the set
Where are the frills? The US star was wearing something a little more practical on Wednesday, when she left the ITV studios
