2 / 9

Kendall Jenner in a bikini

Swimwear or underwear? Kendall Jenner had us asking that very question on the Fourth of July. The answer? Some things just aren’t black and white — though this is and we still have no clue. (Photo: Kendall Jenner via Instagram)

Celebrities Wearing Bikinis: Summer 2017

Suzy Byrne
Editor, Yahoo Entertainment & Lifestyle

In honor of #NationalBikiniDay or #InternationalBikiniDay (depending on which list of fake holidays you’re looking at), here are stars looking sizzling in two pieces so far this summer.

By using Yahoo you agree that Yahoo and partners may use Cookies for personalisation and other purposes