Lady Antebellum To Appear On “American Idol” Written by SLN Staff Writer April 17, 2010 Earlier this week Lady Antebellum was in Los Angeles to tape a performance of their No. 1 hit “Need You Know” for American Idol. The performance will air at a later date that has yet to be announced. Fun fact: Lady A’s Hillary Scott actually auditioned for American Idol (twice!) but never made the cut!