Single Dad Adopts Baby Girl With Down Syndrome After She Was Rejected by 20 Families

Luca Trapanese and his daughter
Luca Trapanese/Instagram

Like many parents, Luca Trapanese has been documenting everyday adventures with his daughter Alba for some time on social media. But unlike most parents, he's amassed a loyal following of more than 180K Instagram users -- who are all captivated by his warm-hearted posts, as well as the touching story behind how he came to be called "Dad."