The "America's Got Talent" judge passed on some pro tips to Howie on Tuesday, April 13. She directed the hairless Mandel as he attempted to nail the perfect runway walk. Howie strutted his stuff in a pair of black thigh-high boots, a chic pair of short shorts, and a matching t-shirt. "Gotta go to the beat," Klum said while shouting commands. "Walk, walk, walk!"