Kevin Jonas and his wife Danielle have welcomed their first child, a baby girl.

The Jonas Brothers star confirmed on Sunday (February 2) that his wife had given birth to daughter Alena Rose Jonas by retweeting a picture of her cuddling their newborn child from the laundry brand Dreft.

Earlier that day he had revealed that his wife was in labour, writing: "Here we go we're pushing!!!! #babyjonas."

The couple announced that they were expecting their first baby in July 2013.