Bring on diaper duty! Malin Akerman and husband Roberto Zincone are the very proud new parents of son Sebastian. After welcoming their first child on Tuesday, April 16, a source tells Us Weekly that the spouses of nearly six years are happily diving headfirst into parenthood.

"They are both so excited and are going to be incredible parents," the insider, who's close to the Swedish-Canadian star tells Us. "There's a lot of love in that house."

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Akerman, 34, announced her son's birth on Twitter Tuesday, writing, "My husband and I welcomed our beautiful, healthy baby boy to this world this morning! Biggest joy of my life! Love my kid. PS and his name is . . . Sebastian Zincone. Love him more than life itself! What a feeling!"

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According to the insider, the Rock of Ages actress and The Petalstones drummer were "deciding on a few names, but Sebastian has been in the mix for a long time."

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The source adds that the prepared new parents also "have the nursery ready" for baby Sebastian.

This article originally appeared on Malin Akerman, Husband "Have the Nursery Ready" for Newborn Son Sebastian