Zimmermann RHIANNON BILLOW MINI DRESS The Rhiannon Billow Mini Dress in Spliced from our Summer Swim 2025 Collection. A cotton ruffled mini dress featuring long wide sleeves, a stand collar, a self tie belt with gemstone beads, finished with an asymmetric scalloped hem spliced with lace trim LTKParties LTKWorkwear LTKStyleTip