UK pop star Cheryl Cole is certainly attractive, but is she perfect? Her smile is, says Dr. David Holmes of Manchester Metropolitan University in England. His research concludes that Cole has a flawless grin, taking into account a number of biological factors. She has ideal cheekbones, the right shade of lips and, ironically for a Brit, straight teeth. To us, it sounds like Dr. Holmes is crushing hard on this chick and just using his “research” as an excuse to stare at photos of her all day. Then again, can you blame the guy? Here are some photos of Cole, accompanied by Holmes’ observations, to help you do a little research of your own.