Primavera Floral Beaded Long Formal Dress 3731 Twerk Twerk New Trending Tiktok compilation 2020 YouTube. With beautiful floral beading, this long formal dress is an impressive choice for any black tie event. Whether you are attending prom, a gala, or another formal party, this strappy back long dress shines from the deep v neckline to the floor. From Primavera, this long designer dress includes thin shoulder straps that criss cross the open back, while the long skirt smooths over the hips, opens in a side slit, and drapes romantically to the hemline. Offered in misses and some extended sizes, this floral beaded long formal dress is a flirty fusion of dazzling details and curve hugging style.