Justin Trudeau posted a photo with his sons to Instagram celebrating Canada Day, but his followers couldn't help but notice how fit the former PM looked.

Former Canadian prime minister Justin Trudeau looked so different with curly blonde hair as a child, as evidenced in photos ...

Justin Trudeau and Sophie Grégoire married in 2005 and had three kids together. ... Grégoire looked like a straight-up model, while Trudeau sported unruly hair and blocky eyebrows.