Eurovision Song Contest 2015 - Rehearsal Semi Final 1, Photocalls and Receptions

VIENNA, AUSTRIA - MAY 18: Polina Gagarina of Russia performs during a rehearsal of the first Semin Final on May 18, 2015 in Vienna, Austria. The final of the Eurovision Song Contest 2015 will take place on May 23, 2015. (Photo by Nigel Treblin/Getty Images)