Christina Aguilera took a friend along with her on a marathon shopping day at Ron Herman Clothing Boutique in Beverly Hills, California yesterday afternoon. Christina wore comfy clothes iincluding a warm hat with a black sweater and a checkered board pants. She did some aggressive shopping at the boutique. She picked clothing without trying it out. She just looked at her friend for approval and then an associate came to pick it up. That’s how you shop when you’ve got money to burn like Xtina does, and we can respect that…and be a little jealous, too.