Lace & Beads Tops and Dresses Under £100. Shop this season's must-haves without breaking the bank from our dresses under £100 collection. this includes affordable wedding dresses and bridesmaid dresses under £100. Find your favorite going-out styles from affordable party dresses to cheap sequin dresses. Whatever occasion you’ve got planned, we have got you covered with our collection of £100 and Under £100 dresses.