We can't even imagine how many bikinis Kendall Jenner must own at this point, because we feel like we've seen her in a different one almost every day.

Fresh from showing her patriotism on the Fourth of July in an American flag bikini, the 17-year-old model and reality star jetted over to Hawaii with her older brother Brody Jenner, where the pair went paddleboarding.

Photographers spotted the siblings, who were with a camera crew -- no doubt filming for an upcoming episode of "Keeping Up With the Kardashians" -- and it was hard to miss Kendall, who sparkled in a metallic bikini top and rolled down wetsuit.