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Former child star Jaleel White is winning over a whole new generation of TV viewers with an impressive turn on the dance floor, and ET has been in step with Jaleel from the very start ---all the way back to when the actor was scene-stealing teen. 

Beginning with our first encounter with the fourteen-year-old wonder geek on the set of Family Matters, to his less-than-awkward transition into hunky adulthood, we bring you Jaleel White, then and now!

Watch the video for a look back at the Dancing with the Stars front runner.

Jaleel White Tackles 'DWTS' Rehearsals