Spears, 36, picked out a winner when she selected a bright blue bikini for her beach day on June 6.
Safety comes first for Spears, who made sure to wear a lifejacket while jetting around.
She also threw on some snazzy yellow tinted shades to protect her eyes.
The "If You Seek Amy" singer is also worried about protecting her money!
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Federline, 40, also claims he only banks $3,000 a month as a backup dancer and DJ.
He’s asking his spousal support be tripled – from its current $20,000 a month to $60,000 a month.
Do you think Britney should have to cough upmore cash? Let us know in the comments section.
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