US actress Gwyneth Paltrow, 31, has given birth to her first child, a girl called Apple.
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.
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.
"Both mother and baby are very well."