Jon Gosselin: The father of eight-turned-rebel 'fessed up about his plugs. We wonder if his latest 20-something girlfriend likes them.
Tim McGraw: Who knows if the country singer has had a hair transplant? Seems pointless for someone whose signature look includes a cowboy hat.
John Travolta: Is the actor - who sported a full head of hair in "Grease" - trying to get back to his roots? (See photos.)
Rudy Giuliani: Maybe it was the infamous "comb-over" that sparked rumors that the onetime NYC mayor and presidential candidate wore a hairpiece.
