Blake Shelton to Conduct Kelly Clarkson's Wedding

Kelly Clarkson has friends in high places! The singer revealed to ET's Nancy O'Dell backstage at the ACM Awards on Sunday night that not only is Blake Shelton singing at her upcoming wedding, he is conducting the ceremony!

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The 30-year-old American Idol alum announced her engagement to Shelton's manager, Brandon Blackstock, in December.

Clarkson added that The Voice judge, 36, is also going to be performing a ceremony for one of the Pistol Annies, which is his wife Miranda Lambert's band.

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Tune in to ET tomorrow night for more of O'Dell's candid interview with Clarkson backstage at the ACMs.