Personalized 4th Birthday Star 4 Year Old Adult Sweatshirt. little girls four year old birthday star says Im 4 and shining bright Stay warm and stylish with this classic adult sweatshirt, perfect for everyday comfort. Crafted from soft, durable fabric, it features a relaxed fit for added coziness. Whether you’re lounging at home, running errands, or enjoying outdoor activities, this versatile sweatshirt is a wardrobe essential for any season.