BERLIN, GERMANY - JULY 04: German singer Helene Fischer performs live during a concert at the Olympiastadion on July 4, 2015 in Berlin, Germany. (Photo by Frank Hoensch/Redferns via Getty Images)
BERLIN, GERMANY - JULY 04: German singer Helene Fischer performs live during a concert at the Olympiastadion on July 4, 2015 in Berlin, Germany. (Photo by Frank Hoensch/Redferns via Getty Images)