Personalized 7th Birthday Singing Cat Women's Plus Size V-Neck. A cute kitty is singing happy birthday for the seven year old's 7th 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.