Robin Thickeis going to be a dad again!

The singer, 41, and girlfriend April Love Geary are expecting their second child together, she announced on Instagram Tuesday.

“Well someone is going to be a big sister next year! We’re so excited to share with y’all that I’m expecting again! 😇” she captioned a video of her their 6-month-olddaughter Mia Loveholding the sonogram.

“We find out Saturday if it’s a boy or a girl! What do you guys think it’s going to be? Forgot to mention the due date is Robins birthday! 😝” she continued.

April Love Geary/Instagram

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Thicke is also father to 8-year-old son Julian Fuego from his marriage with actressPaula Patton.

Joe Schildhorn/BFA/Shutterstock

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The couplestarted dating in the months following his separation from the actress in February 2014.

Pattonfiled for divorcein October 2014 and in March 2015, theirdivorce was finalized. That same year, the former couple wasembroiled in a lengthy custody dispute, which was resolved.

RELATED VIDEO: Robin Thicke and Girlfriend April Love Geary Welcome Daughter Mia Love

Thicke and Geary made theirfirst public appearance togetherat the Cannes Film Festival in May 2015 after dating for over a year.

Robin Thicke/Instagram

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Since the arrival of their daughter, Geary has been outspoken about breastfeeding.

“Maybe the next time you want to criticize me for posting a picture of myself breastfeeding you should really take a look at the pictures you’ve had taken,” Gearywroteon Instagram. “Not that taking nudes are wrong! Thenaked body is a beautiful thing! But don’t be a hypocrite mama.”

One day after clapping back, Geary reiterated herlove for nursing her daughter.

“It’s such a shame that the world sexualizes a woman’s breast so much. Boobsare for babies, not your husband. And to the women who can’t have babies/breastfeed/etc, your boobs are yours. Your body is yours. Ifyou can’t breastfeed, youare no less than someone who can,” she said.

source: people.com