Christina Aguilera suffers breathing difficulties

'Dirrty' singer, Christina Aguilera suffered breathing difficulties during a performance in Melbourne, Australia, last Friday and was ordered to cancel two of her world tour dates.

After treating Christina, Doctors ordered her to cancel her two remaining Melbourne dates and confined her to bed rest.
Christina - who has yet to confirm the pregnancy herself - apologized to her
fans, saying she was suffering from flu.
She said: "I want to personally apologize to all of my fans.
"I am truly disappointed that I won't be able to share my show with you
all."