Always up for a fun cameo, Britney Spears did a guest spot on “The Late Show with David Letterman” last night (August 18).

The “Womanizer” songstress added some spice to the recipe when she read the Top Ten Ways the Country Would Be Different whether Britney Spears Was President.

In Manhattan ahead of her three-night run at

Madison Square Garden, Miss Spears donned a bikini and announced how she’d change things up whether she was to occupy the Oval Office.

Among her more notable differences were things like having a situation room at the Palms Resort in Las Vegas, Vice President Diddy, and “Free Pie for Everyone!”

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