06/04/2013 03:47 pm ET Updated Dec 06, 2017

Britney Spears Rocks A Blue Bikini By The Pool (PHOTO)

Britney Spears knows how to make a splash both in and out of the water.

The 31-year-old singer showed off her toned bikini-body in a tiny blue two-piece as she soaked up the sun poolside at the Terranea Resort in Rancho Palos Verdes, California.

The singer will be setting up camp in Las Vegas for a two-year stint performing at Planet Hollywood starting in November, so it's no surprise she's already making sure she's in tip-top shape.

"I'm doing 90 minutes of yoga twice a week in addition to a lot of cardio -- hour-long sessions three times a week with my trainer, Tony Martinez," Spears told Shape magazine in May. "The [Vegas] performances won't be simple — they'll be a massive party from start to finish. And to pull this off, I have to be in top condition and running at full speed."

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