If you're looking for the perfect prom dress, ... Take, for example, this stylish number that's like a royal blue version of Andie Anderson's iconic dress in "How To Lose A Guy In 10 Days." $89.

The Real Housewives of Orange County daughter got glammed up in a satin blue minidress to attend her sorority’s semi-formal, as captured in a recent photo on Instagram. ... royal blue dress.