Plus Size Mother-of-the-Bride Dresses- Mother's and grandmother's of the bride and groom should look and feel their best, after all, it's a special day for you, too! At Catherines, we offer a variety of gorgeous dresses that are sure to suit your unique style and will be perfect for their wedding. Find long and knee-length dresses with gorgeous details, like lace, sequins, delicate crochet patterns, and more. Whether formal or casual, Catherines' mother-of-the-bride dresses and gowns are perfect for that special wedding. All of our mother-of-the-bride dresses are crafted to fit and flatter your full figure, and come in sizes 0X-5X.