Personalized Birthdaysaurus Rex Women's Plus Size V-Neck. Birthdaysaurus Rex - A cute, smiling T-Rex dinosaur wearing a birthday party hat and holding a cupcake. Great gift for any dino lover! 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.