Forever 21 is back in the UK! The go to retailer for the latest fashion trends, styles & hottest deals. Shop Women's Clothing, Men's Clothing & Plus Sizes. Our range caters to all your needs, whether it's from our premium denim, or an outfit for your next party, date or holiday, we have you covered. And as part of our initiative to protect the environment, our range includes 100% organically grown cotton pieces and we have also banned the use of fur, angora and mohair in all our products.