For years, there were debates on which Baldwin brother was the best-looking -- their last name even became a slang term for a good-looking guy in "Clueless."

Now, a new generation of Baldwins are reigniting the debate.

17-year-old Hailey Baldwin, the daughter of Stephen, frolicked in the Miami surf wearing a blue bikini. Earlier this summer, her 17-year-old cousin Ireland Baldwin, the model daughter of Alec, made headlines for posting a bikini pic on Tumblr. Check out the shots below:

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The cousins -- who are super close -- even joked about whose cuter.

Back in May, Ireland jokingly tweeted that she was the "cutest Baldwin" and wrote this about Hailey: "Yeah, sure she's pretty, but does she make you laugh and a killer PB & J?"

Now what we can look at them side-by-side, we gotta ask, who's cuter?

After you vote, click on the "Launch Gallery" button above to weigh in on which of their dads is their most talented!

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