No One Saw This Coming From Amber Heard

Anna Paquin Pregnant

4/18/2012 3:32am EDT

Anna Paquin & Stephen Moyer

True Blood co-stars and real-life couple Anna Paquin and Stephen Moyer are expecting their first child together.

The Oscar-winning The Piano star is due to give birth this autumn.

The baby will be Paquin's first, while Brit Moyer has two kids from previous relationships.

The couple, who play lovers in the hit TV vampire drama, married in Malibu, California in 2010.

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Photo Credits: Tina Gill / PR Photos