Keith Urban to perform on 'American Idol'

Four-time Grammy winner embarks on "Light The Fuse Tour 2013" this summer

Coming out from behind the judges' table and onto the "Idol" stage, four-time Grammy Award winner and "American Idol" judge Keith Urban will perform on Thursday's "American Idol" live results show ("Idol's 450^th episode; 8 p.m. on FOX). Urban heads out this summer on his "Light The Fuse Tour 2013." Tickets go on sale Friday, April 5.

Urban has had 14 No. 1 songs, including 28 Top 5 hits. His 2010 album, "Get Closer," generated three consecutive No. 1 singles: "You Gonna Fly," "Long Hot Summer" and "Without You."

Also on Thursday night's live results show, OneRepublic, featuring season five runner-up Katharine McPhee, will perform the hit single "If I Lose Myself." Season 11 finalist Colton Dixon will perform his new single, "Love Has Come For Me."

On "American Idol" Wednesday, the top eight - Lazaro Arbos, Janelle Arthur, Candice Glover, Kree Harrison, Amber Holcomb, Angie Miller, Burnell Taylor and Devin Velez - performed for America's votes. The performance show's theme was "Detroit: The Music of Motor City."

"Like" "American Idol" on Facebook at www.facebook.com/AmericanIdol. Follow the series on Twitter @AmericanIdol and join the discussion at #idol. Follow host Ryan Seacrest at @RyanSeacrest, and follow the judges: @MariahCarey, @yo_randyjackson, @nickiminaj and @keithurban.