No matter if it's winter, summer or somewhere in between, a simple T-shirt dress will serve you well. Just ask Taylor Swift, who wore one while rehearsing for the Eras Tour. The easy-breezy style, as you'll see in the Lillusory Short-Sleeve T-Shirt Dress, is so incredibly versatile that it can look like a different dress every day that you wear it. While it might not be the same one Swift wore, it's a straightforward look to copy - lucky us! The Lillusory T-shirt dress retails for $30, but it's currently on sale for over 50% off to bring the cost down to $13.