Hold on to your credit cards, because the lust-worthy Zimmermann Spring/Summer 2013-'14 collection hit stores (and online) this week. We took in a pre-fashion week preview back in March — and gleefully styled up our own lookbook shot with designer Nicky's blessing — but now the threads have graduated from from wish-list material to shopable gems. Dangerous, much? ANTM alumni Cassi Van Den Dungen got the call up to model the St Trinians-inspired 'Class of 2013' collection, putting that pillowy pout to good use in the preppy-meets-sexy offering. Step inside to refresh your memory.