Paltrow and Martin married in secret in December

The Hollywood star underwent a long labour before delivering her first born at a London hospital on Friday.

Gwyneth and her husband Chris Martin, front man in the band Coldplay, have named their daughter Apple Blythe Alison Martin.

The baby weighed 9 pounds 11 ounces (3.8kg) and both mother and baby were said to be doing well.

Ecstatic

Chris Martin said: "We are 900 miles over the moon, and we'd like to thank everyone at the hospital who have looked after us amazingly."

A spokesman for the couple confirmed everything had gone to plan.

"Apple Blythe Alison Martin was born in London after a long labour, on 14 May, and weighed 9lb 11oz," she said.