Jenelle Evans's Son Jace Is All Grown Up and Rocking a Fauxhawk! (PHOTO)

Remember back in Season 2 of 16 and Pregnant when a ginormous Jenelle Evans popped out a precious little boy named Jace? Sigh, good times. It's hard to believe that he's already 3!

This past weekend, the notorious Teen Mom 2 star updated her Twitter feed with a current picture of Jace, and let's just say this little dude is destined to be a lady killer!

"I get to see the best man in the world tomorrow ! :) and I cannot waaaaait," the 21-year-old mom posted along with the pic of Jace cruising around town in a puffer jacket and rocking a fauxhawk. You know, NBD.

Say what you want about Jenelle Evans, people — this girl's got some seriously good genes!

Are you surprised how fast Jace has grown up? Tell us below!