10 plus size party dresses under $150 The holidays will soon be upon us and it's time to start thinking ahead. Beyond buying gifts and dissecting meal plans, the perfect outfit(s) is a top priority. We've selected 10 pretty plus-size frocks to make your prep a little easier. By Andrea Karr Slide: 1 of 10 auto-play pause next first speed In the navy The ruching over the midsection disguises little flaws while the neckline shows off a gorgeous dÃ©colletage. This dress is covered up and sexy all at the same time. Valentina Illusion Dress, $135, lucyclothing.ca.