― Sagittarius is a fire sign of the zodiac. If you were born between Nov 23 and December 21, then you are a Sagittarius. With optimistic, honest and easy-going traits, Sagittarians always love wearing simple clothing. While for formal wear, they go totally different. Below we've compiled 3 prom dresses for Sagittarius, read on to view them all! ∙ Stylish Sagittarius Look - Royal Blue Formal Dress ∙ For the first outfit, we go for a stylish look that's punched with trendy color [...].