Britney Spears the bikini beauty hits a purple patch

Britney Spears and her sister spent the day soaking up the warm Florida sun as they relaxed by the pool with their children yesterday.

Making a splash: Britney cuts a fine figure

The 27-year-old singer took sons Sean Preston, three, and two-year-old Jayden James, who wore matching trunks and armbands, for a dip, while Jamie-Lynn, 18, who was with her 15-month-old daughter Maddie Briann, took photos.

Family affair: Britney with son Jayden in the pool

Britney, who plays Miami and Orlando this week as part of her Circus tour, was also joined by her mother Lynn before rain forced them to take shelter for lunch.

Sister act: Britney's sister Jamie-Lynn