I love this top!  It is so cute and I recieve many compliments on it.  I would be a size medium, except with tops that aren't stretchy around the breast area (such as button up shirts) I have to go with a large (thank you plastic surgery!).  I ordered this in a large because I was unsure of how stretchy the material would be but I was also concerned about the scoop neck being too low cut.  Not a problem with the scoop neck.  It's perfect.  I could have gone with a medium and been just fine in the chest area and probably gotten a better overall fit, but I am keeping the large because it's not too baggy and is still a good fit.  Love the beading around the neckline!