St. Louis (KSDK) - The season finale of The Voice airs Tuesday night.

It's a show with some serious star power; Christina Aguilera, Blake Shelton, CeeLo Green and Adam Lavine coached their contestants to the final four.

Host Carson Daly is there to watch the whole competition.

USA Today Tech Writer Jefferson Graham was able to sit down with Carson and talk to him about the huge boom in popularity for this show.

Click the video player above to watch the interview.

KSDK