An American Idol gets The Voice for a wedding present!

Kelly Clarkson get engaged in December, and she's in the midst of planning her wedding day.  But now she has one less thing to worry about because she already has a wedding singer confirmed.  Country singer and "The Voice" judge Blake Shelton offered to sing at Clarkson's wedding, and she has accepted the offer.  When is the big day?  Kelly says she and fiance Brandon Blackstock are planning an outdoor wedding for the fall.