Country star Blake Shelton is set to sing at Kelly Clarkson's upcoming wedding after the former "American Idol" star accepted his offer to perform on her big day.

Shelton's manager, Brandon Blackstock, proposed to the Kelly last month, and the couple has been busy making plans for the big day!

Blake offered and now Clarkson reveals she has taken him up on his offer.

In an interview today she says, "Blake actually is going to play at our reception, so we're pretty excited."

Clarkson and Blackstock are set for an autumn 2013 wedding, and the singer admits she is already feeling stressed as she plans the celebration.

Here's the song Blake needs to sing!