MUNICH, GERMANY - OCTOBER 02: TV host Thomas Gottschalk and Katy Perry attend the 190th 'Wetten, dass ...?' show at Olympiahalle on October 2, 2010 in Munich, Germany. (Photo by Johannes Simon/Getty Images)
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Die us-amerikanische Sängerin Katy Perry tritt am Samstag (02.10.2010) in der ZDF-Show "Wetten, dass..?" in München (Oberbayern) in der Olympiahalle auf. Mit der Show in München beendet die ZDF-Erfolgsshow ihre Sommerpause. Foto: Tobias Hase dpa/lby +++(c) dpa - Bildfunk+++
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MUNICH, GERMANY - OCTOBER 02: Katy Perry reacts during the 190th 'Wetten, dass ...?' show at Olympiahalle on October 2, 2010 in Munich, Germany. (Photo by Johannes Simon/Getty Images)
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MUNICH, GERMANY - OCTOBER 02: TV host Thomas Gottschalk and Katy Perry attend the 190th 'Wetten, dass ...?' show at Olympiahalle on October 2, 2010 in Munich, Germany. (Photo by Johannes Simon/Getty Images)
© Getty Images/Getty | Getty Images
MUNICH, GERMANY - OCTOBER 02: Katy Perry performs during the 190th 'Wetten, dass ...?' show at Olympiahalle on October 2, 2010 in Munich, Germany. (Photo by Johannes Simon/Getty Images)
© Getty Images/Getty | Getty Images
MUNICH, GERMANY - OCTOBER 02: Katy Perry performs during the 190th 'Wetten, dass ...?' show at Olympiahalle on October 2, 2010 in Munich, Germany. (Photo by Johannes Simon/Getty Images)
© Getty Images/Getty | Getty Images
MUNICH, GERMANY - OCTOBER 02: Katy Perry performs during the 190th 'Wetten, dass ...?' show at Olympiahalle on October 2, 2010 in Munich, Germany. (Photo by Johannes Simon/Getty Images)
© Getty Images/Getty | Getty Images