March 18, 2016 12:50 PM

There’s more than 10 reasons Andrew Keegan is loving life — including the birth of his baby girl.

The 10 Things I Hate About You actor and girlfriend Arista Ilona welcomed their first child on Tuesday, March 15, his rep confirms to PEOPLE exclusively.

“My beloved partner and I are overjoyed to welcome a healthy baby girl into our world. Our hearts are full of love, and we are thrilled to embrace our role as her parents,” says Keegan of his daughter Aiya Rose Keegan, who weighed in at 8 lbs., 3 oz.

Jessica Eriksen/Three Moons Imaging

The star, 37, revealed exclusively to PEOPLE in October that he and Ilona, who works for Apple, were expecting a baby together.

“Our intention is to raise our child in a co-creative environment where truth and love are foremost,” the actor told PEOPLE.

A month later, the parents-to-be announced the sex of their baby on the way during an intention ceremony held at Full Circle Venice, the spiritual center Keegan co-created.

“An invocation blessing by musician Tony Moss was offered before the big reveal,” Keegan’s rep told PEOPLE.

— Anya Leon with reporting by Melody Chiu

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