Personalized T-Rex Dinosaur 5th Birthday Women's Plus Size V-Neck. A grumpy, purple T-Rex wearing a birthday hat sits and eats a birthday cupcake. Cute 5th birthday gift for your little five year old. 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.