As Toby Keith was introducing his latest No. 1 song Friday night during a show at Nashville’s Wildhorse Saloon, he was interrupted by some guys from his record label carrying a big plaque. DreamWorks Nashville President James Stroud presented Keith a framed memento of the success of “How Do You Like Me Now?!,” which has reached the top spot on nearly every country chart out there. The surprise attack left the usually frank singer nearly speechless. “What was I saying?” he asked the crowd. “I’m sure I was lying about something.” Actually, Keith had been talking about the song and introducing a group of radio winners from across the country who had won the chance to sing “How Do You Like Me Now?!” with him onstage. Also in the packed house that night, Keith’s new labelmate Jessica Andrews, who slipped into the VIP section down front right after the curtain went up.