We always try to provide a bevy of fashion information for you to digest weekly. But at the core of that, there are a handful of stories that you just can't live without. Here are this week's: our interview with Derek Lam where he shares his favorite color combos — he adores navy! — Banana Republic's easy breezy Spring '11 collection, and the ultimate style battle between Whitney Port and Olivia Palermo. But wait, there's way more, so step inside to find out what they are.