Riverdale star KJ Apa and his model girlfriend Clara Berry have welcomed their first child, son Sasha.

Clara shared the good news to her Instagram page on Sunday.

"Sasha Vai Keneti Apa, born on the 23rd of September. He is a perfect perfection. I am the luckiest to have now two men of my life, filling my heart with this cosmic gigantic vast love," she penned, adding heart and fire emojis, alongside an adorable shot of Sasha clutching her finger.

The couple first confirmed its relationship in February when KJ shared a photo of them kissing on social media.

The two announced they were expecting their first child together in May.