'Stefanie Hertel - Die grosse Show zum Muttertag' Rehearsal [Getty Images]

ALTENBURG, GERMANY - MAY 04: Beatrice Egli and Stefanie Hertel performs during 'Stefanie Hertel - Die grosse Show zum Muttertag' Rehearsal on May 4, 2014 in Altenburg, Germany. (Photo by Luca Teuchmann/Getty Images)

Getty Images Entertainment Luca Teuchmann