Serena Williams displays her chiseled figure in barely-there neon yellow bikini 'Just because'

Serena Williams posted an Instagram photo on Friday April 14,2017 showing off the athletic physique that's helped make her a world-renowned tennis star

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She'd slid into a skimpy neon yellow bikini that offered a generous view of her cleavage, as well as of the 35-year-old's enviably sculpted abs.

One of her muscled arms pushed her hair from her face, and she placed another on her waist, her navel piercing glinting beneath the lights in the snapshot.