Personalized 3rd Birthday Monster Women's Plus Size V-Neck. 3rd birthday monster. A cute monster holds a bright yellow balloon to celebrate the three year old's third birthday! Great gift for your little monster! 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.