See, I knew this would happen!
As soon as I saw Alexa break out the overalls, I knew that some poor, unsuspecting soul who likes to be comfortable in her clothing thought 'excellent! I'm going to wear overalls too and be as cool as Alexa Chung.'
Bzzt! Wrong! For the art of carrying off a pair of overalls is a very fine art to master. Do not attempt if you're a novice folks, or you'll come off more Farmer Joe than fashionista.
Actress Ari Graynor does exactly that.