The Best Collabs This Week, From Abercrombie & Fitch to Aerie

If there's one thing we've learned from Refinery29 readers' shopping habits, it's that you love a good brand collaboration (just like us). But among a sea of new partnerships, it can be hard to fish out the best of the best collabs. That's why we're stepping in, sharing the best beauty and fashion partnerships worth carting up. This week, there are several exciting launches from reader-favorite…