Malin Akerman welcomes 'beautiful, healthy baby boy'

Malin Akerman,34, sounds so excited in announcing her big news on Twitter.

'My husband and I welcomed our beautiful, healthy baby boy to this world this morning! Biggest joy of my life!!! #lovemykid," she shared Tuesday night.

'PS and his name is … Sebastian Zincone :) )) Love him more than life itself!! #whatafeeling !!!'"

Akerman, who recently starred in Rock of Ages, has been married to Roberto Zincone, who was the drummer in her former alternative rock band The Petalstones, since 2007.

She will next be seen in The Numbers Station, with John Cusack, out April 26.