What celebrity has been on the most covers of people magazine?

In terms of resale value the most popular magazine cover would have to be the 1953 first edition of Playboy magazine with Marilyn Monroe on the cover, these change hands for about $3000 depending on condition. Marilyn covers in general are the most desirable Worldwide. The most rare Marilyn cover is the, Leader magazine 13th April 1946, Leader was a none too popular British Title and few have survived ,making it very desirable to Monroe collectors, there is no information available on sales of this Mag so value is unknown. Leader was Marilyn's first front cover solo appearance anywhere worldwide so it has Historical importance and rarity.