Youtube! Kim Kardashian "Yellow Bikini" on a Mexican beach

The star also let her hair down for a stroll down the beach, and looked pensive as she shielded her eyes from the sun.

Kim was clearly enjoying spending time on a Mexican beach as she splashed around in the water. 

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Surf's up: Kim looked pensive as she strolled down the beach barefoot in her eye-catching two piece (Watch 3 video and see more Pictures)