This past weekend, Gwen Stefani proved that she was feeling blue when she wore two outfits with the color blue in them. First, while having lunch with her son, the singer opted for a blue-and-black striped A.L.C. sweater, then later at an event in LA, she sported a pair of bright blue J Brand jeans. For those who want to go bold while still remaining understated, bright blue is the perfect way to go. Step inside to see how Gwen worked her blue pieces and to shop the looks for yourself.