Another year hotter — dress accordingly. Our funny birthday shirts are made for the birthday girl and her crew, whether it's a 21st, a milestone, or just an excuse for bottomless mimosas. Sassy graphic tees that work solo for the guest of honor or as matching shirts for the whole party. Soft, true-to-fit, and ready for cake, cocktails, and questionable karaoke. American designed and printed, with free US shipping available.