Supermodel Naomi Campbell took to the runaway to launch Milan's womenswear fashion show.While we are all buying our jumpers and winter coats, top designers are at least six months ahead of us, showcasing the must-haves for spring and summer.The London-born model strutted down the catwalk in the Luxe collection, which combines minimal bikinis covered in gold mosaic or coloured sequins with chiffon scarves, shawls and dresses.Campbell is now using her charm to promote her Fashion for Relief campaign, which raises money for victims of the UK floods.She was sporting a sparkling sequinned swimsuit and chiffon cover-up from the collection.One collection that certainly stood out was Diamond Seduction range which used underwear as outerwear.Around 80 designers showcased their collections on the catwalk this week. They include big names such as Giorgio Armani, Versace and Dolce and Gabbana.© Independent Television News Limited 2007. All rights reserved.