Personalized Unicorn 5th Birthday Women's Plus Size V-Neck. Unicorn 5th Birthday - A pastel unicorn jumps over a colorful rainbow and smiling cloud. Cute gift for the five year old's fifth 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.