US pop star forced to pull out of Dubai gig

US pop star Anastacia has been forced to pull out of her planned concert at the Dubai World Cup after being diagnosed with breast cancer for the second time.

The singer successfully survived her 2003 battle with the disease which has returned and forced her to cancel all performances, tours and any travel from now until further notice.

She was due to perform at the world's most expensive horse race meeting in Dubai on March 30.

In a statement, Meydan and the organisers of the Dubai World Cup said they wished Anastacia "the best of health and a safe recovery", adding that they "hoped to welcome her back to Dubai soon".

Anastacia said in a statement issued by her agent that she was excited about her forthcoming European tour which was due to start April 6 in London. 

"I feel so awful to be letting down all my amazing fans who were looking forward to 'It's A Man's World Tour'. It just breaks my heart to disappoint them" she said.

Anastacia said she will continue the writing and recording of her new album despite her diagnosis and hopes to schedule a new tour as soon as possible. 

The pop star added that she has one goal and that is to make a full recovery with the support of her family, friends and everyone around her.