Personalized 15th Birthday Party Gift Women's Plus Size V-Neck. 15th Birthday Party Women's Plus Size V-Neck - White has a unique and colorful balloon and stars logo in rainbow lettering with Party - 15 Rocks bday slogan. Get ready to celebrate in style. 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.