Christina Aguilera’s touring putting baby at risk?

London: Reportedly pregnant star Christina Aguilera has been told to cancel her world tour dates after she collapsed backstage during her Aussie gig in Melbourne.

The singer was suffering breathing difficulties but still managed to wow fans with her performance during the Aussie leg of her Back to Basics tour.

However, things got bad when Aguilera, who is reportedly expecting her first child with hubby Jordan Bratman, collapsed backstage.

Doctors who rushed to treat her forced to her to skip songs and ditch her encore, fearing that it would be too much for her and the baby, reports The Sun.