best places to buy wedding guest dresses Where Dresses: The 40 Wedding Guest Dresses & Gowns

Color-block design: Vivid purple tulle paired with citrus yellow bloom detail

Just pick the size that matches your neck

The sweeping skirt is adorned with delicate lace embroidery, while the bodice is tailored with a corset-style top and adjustable ribbon straps

Shop: Zara's Satin And Lace Dress www.ebay.co.uk If you're desperate to still get your hands on the black one, it's currently being sold for over double the retail price at 105 on eBay

Make sure they measure themselves or get fitted in their undergarments, as this can affect the measurements

Material: Luxurious fabric adorned with intricate sequin detailing