Reese Witherspoon, 45, poses with mini-me daughter Ava, 21

Reese Witherspoon's Kids and Their Significant Others Vacation Together: See the Cute Pics

Reese Witherspoon’s Kids Ava, 21, & Deacon, 17, Vacation With Their Significant Others: ‘I’m So Lucky’

Reese Witherspoon and Ryan Phillippe's kids Ava, 21, and Deacon, 17, share rare photos