Britney Spears LOOOOVES herself some waterslides and lazy rivers ... 'cause the pop star threw on a couple of bikinis this week and hit up a Southern California waterpark -- 2 days in a row!
TMZ obtained pics of Brit -- along with her kids -- at Six Flags Hurricane Harbor in Valencia, CA on Wednesday where Ms. Spears showed off her hardbody physique in a bright pink bikini.
Brit was also spotted at the park on Tuesday ... 'cause as everyone knows, ya can't hit up all the rides in just one day!
After the family play date, Brit tweeted about it -- "So much fun spending the day at the water park! My boys had a blast :)"
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