Watch Miranda Lambert Perform High-Speed 'Red Wagon' at Grammy Awards

Following opening performances by AC/DC, Ariana Grande and an unlikely duet between Tom Jones and Jessie J, Miranda Lambert gave the 2015 Grammy Awards its first dose of country twang (and pyrotechnics), ripping through her current single, "Little Red Wagon," at highway speed. Lambert, who launched a cross-country arena tour last month, took...