There's nothing like a beautiful  A-line dress to make you feel confident and fabulous. And when it comes to finding the perfect formal or prom dress, a line silhouette is always a popular choice. Whether you're looking for something classic and elegant or something with a bit more flair, there's definitely a line dress out there to suit your style. So what exactly is a line dress? A-line dress is simply a dress that is fitted at the waist and then flows out into a straight or slightly flared skirt. This type of silhouette is incredibly flattering on all body types, which is why it's such a popular choice for formal occasions. And because there are so many different styles of line dresses, you're sure to find one that's perfect for your event.