Baby shower dress opinion?? Not really a dress wearing girl

Martha • 💜🇺🇸✈ Player 3 pushed start 💞 5/26/16💙Mixed chick 🎶Send out the signal and I`ll fly low🎶
SO's family baby shower is the 21st of May not really a dressy girl...boyfriend bought me the dress because he thought it would be nice on me...any Thoughts or Opinions to help out with sadly lack of Confidence?