Since her debut in the early 1970s, Christie Brinkley's cheerful, wholesomely beautiful face has graced more than 500 magazine covers — including an unprecedented three consecutive Sports Illustratedswimsuit editions. C… See more

As a comedian who specializes in hilarious, adrenaline-fueled stunts, Howie Mandel smiles constantly. In fact, you'd be hard-pressed to find a picture of him not smiling. But even the most ready smile can lose some of its … See more

International pop sensation Olivia Newton-John's mom taught her healthy habits that have served her well — especially during a battle with breast cancer in which Olivia was the victor. “I took good care of myself with diet, e… See more

As legendary wide receiver Jerry Rice knows, “football can be brutal — injuries, including those to the face and mouth, are a common risk for any player.” Fortunately, Jerry's smile is intact after a stellar 20-year NFL caree… See more