08/20/2010 10:18 am ET | Updated May 25, 2011

LeAnn Rimes Shows Off Abs In Bikini On 'America's Got Talent' (VIDEO)

LeAnn Rimes showed off her tight stomach in a retro bikini on 'America's Got Talent' Wednesday night. She performed her latest hit, 'Swingin,' and jumped to straddle a backup dancer at one point.