Oh, how time flies!
It feels just like yesterday when Legally Blonde star Reese Witherspoon and actor Ryan Philippe announced the arrival of their first child, Ava, on September 9, 1999.
Although the celebrity pair's marriage did not survive, they put their differences aside and remained friends for the sake of Ava and her brother Deacon, who was born in 2003.
Over the years, we've watched Ava grow from a toddler riding in a wagon and running errands with her famous parents to a preteen making appearances on the red carpet.
Ava is turning 18 years old very soon and she's gone from a shy little girl to a confident young adult who looks exactly like her mom, golden locks and all.
Keep reading to see what she looks like all grown up!