Personalized Las Vegas 21st Birthday Women's Plus Size V-Neck. 21st birthday Women's Plus Size V-Neck - Hot Pink with Las Vegas welcome sign that says IT'S MY FABULOUS TWENTY-FIRST BIRTHDAY. Fun and unique for her very special birthday. So comfortable you'll want one in every color! These versatile v-neck t-shirts are great to wear to the office or at a weekend BBQ with friends. Available in a wide range of colors to compliment any wardrobe, these shirts are softly shaped to complement a plus sized woman's curves.