Bikini Photos: Katy Perry and Carrie Underwood

There's nothing basic about these black bikinis! Katy Perry flaunted her figure in triangle-top two-piece for a trip to Miami, while Carrie Underwood visited her husband in Canada in a similar look, only with a punched-up addition of neon piping. Sleek and sexy! Click through to see more of our favorite celebrity bikinis.

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