Taylor Swift vs. Sydney Leathers WHO'D YOU RATHER?

7/30/2013 12:15 AM PDT

Taylor Swift vs. Sydney Leathers: Who'd You Rather?

It's a battle of the beltlines!

Here's 23 year-old pop sensation and paddle board amateur Taylor Swift in the Atlantic Ocean (left) ... and 23-year-old Weiner sext-pert Sydney Leathers along the Pacific Ocean (right) -- BOTH rocking high-waisted bikinis recently.

The question is...