LeAnn Rimes and Julianne Hough are just the icing on the cake of this magazine cover, which shows Martina McBride wearing a shimmery gold bikini. The then-43-year-old singer stunned fans with her rockin' beach bod -- credit a healthy diet for her good looks and muscle tone. The singer sets a good example for her three daughters while proving she can keep up with the younger stars of today in more ways than one.

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