I would either go pixie short with fun choppy layers or collar length. Nothing in between as this will really bring out your face shape rather that soften it. The key here is not to tav the hair lay at the rounds of the face. If you are going to take the hair longer angle the back up a little shorter than the front and stack the layers to really help give curvature to the head shape helping to give a more opal illusion.

What is your current style? Something close to the photo attached looks great for round faces.....you could even add more bang. Try posting a photo and using the "Makeover" tool for some hairstyle ideas!

I just talked this over with a hairdresser friend, and she said, you would want to create the illusion, the face isn't as round, by wearing an angled side bang.

I would say a chin-legnth bob.

Could you post a photo?