Kasey Kahne shares first picture of newborn son Tanner

Kasey Kahne became a first-time father this week.

On Thursday, the Hendrick Motorsports driver used his Instagram account to post a picture of Tanner Lee Kahne.

so peaceful | so special Tanner Lee Kahne

A photo posted by Kasey Kahne (@kaseykahne) on

Little Tanner is the latest in the NASCAR baby boom of 2015, joining Brexton Busch and Scarlett Keselowski as potential members of the "NASCAR Next" class of 2033.