Clarkson performs the national anthem at Yankee Stadium in New York. Plus: Heidi Klum, Kendra Wilkinson, Patrick Dempsey and more

GREY MATTERS

Decked out in grey, Heidi Klum plays the matching game with 2-year-old son Johan during a stroll Wednesday in New York City's SoHo neighborhood. The supermodel was also accompanied on their jaunt by almost 5-year-old daughter Leni and son Henry, 3 (both not pictured).