KHOLMESVBECKHAM042907_04.jpgKHOLMESVBECKHAM042907_01.jpgKatie Holmes KHOLMESVBECKHAM042907_05.jpgPosh's whirlwind trip to LA this weekend included getting in a little shopping time on Sunset with BFF, Katie Holmes. Since Posh is now going to be a permanent fixture in LA, Katie's gonna have to step up her style if she's gonna hang with the Lady in Red! Not that Katie doesn't look cute too (at least she's dressed her age!), but she could definitely take some more cues from her fashionista friend.