Madonna collapsed on stage twice during her performance of Sticky & Sweet show in Sofia, Bulgaria.
The singer lost consciousness singing Holiday and had to be held up by a dancer. When she was about to leave the stage during Spanish lesson, she passed out and fell over.
A source revealed that the singer was very worried backstage and she needed to sit down for a longer break than usual between songs. The source also claimed that the singer did not want to end show or take a break after dizzy spell.
The singer was suffering from exhaustion and anaemic. The source added that the singer was advised to postpone the last two shows in Israel. While in Bulgaria, Madonna took a dip with her tour dancers.