Former Disney star Hilary Duff now has a teenager, and she recently gushed over him in an Instagram post. Fans loved what she had to say about him and many were stunned by how much he looked like ...

Hilary Duff cannot believe she has a 13-year-old son. On Thursday, March 20, Duff took to Instagram to share a special message to her fans and to her son, Luca, on his 13th birthday.

Frazer Harrison/Getty Hilary Duff's son is officially a teenager! On Thursday, March 20, the Younger star, 37, shared a heartfelt post on Instagram celebrating her son Luca Cruz turning 13.

Hilary Duff is one proud mama ... Being your mom is the BEST. HAPPY 13 Angel , forever standing by to cheer you on. ♥️-mom.” In the photos, we see that Luca is truly her lookalike, starting ...

Hilary Duff is also a mom to four children. and a baby on the way! The How I Met Your Father star welcomed her first child, son Luca Cruz, 13, in 2012, with her then-husband Mike Comrie.

Mikey Madison guest-hosted Saturday Night Live and spoofed Hilary Duff's Today show choreography alongside Bowen Yang.