World famous Ukrainian boxer Wladimir Klitschko became a dad for the first time.

His girlfriend American actress Hayden Panettiere gave birth to a girl on December 9.

"Me and Hayden are deliriously happy," he wrote on Facebook page on Saturday.

The parents will name her as Kaiya-Yevdokiya. The baby born weighs 3.5 kilograms, 50 centimeters in height.