COLOGNE, GERMANY - MARCH 11: Thomas Haessler and Regina Luca perform on stage during the 1st show of the television competition 'Let's Dance' on March 11, 2016 in Cologne, Germany. (Photo by Andreas Rentz/Getty Images)

COLOGNE, GERMANY - MARCH 11:  Thomas Haessler and Regina Luca perform on stage during the 1st show of the television competition 'Let's Dance' on March 11, 2016 in Cologne, Germany.  (Photo by Andreas Rentz/Getty Images)