To wear a long T-shirt for girls that looks elegant, the simple and classic style is a good choice. Here are some recommended classic styles to help you create an elegant look.
1. White V-neck T-shirt: The white V-neck T-shirt is a classic among classics, simple and tasteful. It can show off the neck line well while giving a refreshing and neat feeling. You can pair it with high-waisted pants or a skirt to perfectly show off your body proportions.
2. Striped T-shirt: Striped T-shirt is a timeless style. Horizontal stripes in black and white or blue and white are the most common choices, but you can also try stripes in other colors. Pair it with jeans or an A-line skirt to look elegant and stylish.
3. Simple round neck T-shirt: The round neck T-shirt is a very versatile style, suitable for many occasions. You can choose a plain round neck T-shirt, or add some simple patterns or logos. Pair it with high-waisted pants or a straight skirt for a clean look.
4. Turtleneck T-shirt: The turtleneck T-shirt is a classic winter style that can bring warmth and elegance. You can choose a slim-fitting turtleneck T-shirt, or choose a slightly looser style to add layering. Pair it with wide-leg pants or a long skirt to show off your sense of style and style.
5. Lace T-shirt: Lace T-shirt is a very feminine and elegant style. You can choose a top made of lace, or just add lace embellishments at the cuffs or neckline. Paired with trousers or a skirt, it can add a romantic and sophisticated touch to the overall look.
6. Bell-sleeve T-shirt: Bell-sleeve T-shirt is a retro-style choice. It can add something special to the overall look and give it a light, airy feel. You can pair it with high-waisted wide-leg pants or a flared skirt for a stylish yet elegant look.
Finally, no matter which style of women’s long T-shirt you choose, the key is to ensure the right size and comfort fabric texture. The overall elegance can be further enhanced by cleverly matching accessories and other clothing items. 
