Ellen DeGeneres has a history of putting her guests into uncomfortable situations.  She did just that when Tim McGraw stopped by her set yesterday.  And, yes ladies, he flashes those famous abs...

Tim McGraw was a good sport when he stopped by The Ellen DeGeneres Show to play his hit single "One of Those Nights."  Ellen gave McGraw an earpiece and sent him to a dressing room where a guitar technician was going to help him tune his guitar for the upcoming performance.

That poor technician!  Watch and laugh!

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