Reese Witherspoon has shared the most gorgeous picture of her daughter Ava to celebrate the young girl's birthday.Ava, who turned 22 on Thursday, has long been considered a lookalike for Reese, and fans and even friends couldn't get over how they thought it was the 45-year-old in the picture at first glance."I thought this was you at first glance!!!! Happy birthday Ava!" commented actress Jodie Turner-Smith, as one follower added: "Thought this was Reese before reading the caption!"MORE: Reese