Personalized 30th Birthday For Women Funny Women's Plus Size V-Neck. This 30th birthday celebration design says I'm rockin and rollin my 30th 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.