Celebrities Wearing Bikinis!

Britney is really going for it on this boat in (half) a white bikini.

Ariel Winter is a mirror pic pro in her cut out swimsuit.

Lupita shows her stripes by a sparkling pool in Bali, aka not your typical office.

Sun's out, abs out.

Captain Lena sails into the week.

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Kourt gets her bronze on a giant cherry floatie while reminding everyone to eat fruit.

Mischa pairs her abs with a white bikini and a cowboy hat, as you do in sunny Cali.

Paris is living her best bikini life in Ibiza.

Kate elevates her dance party with a teeny-tiny yellow bikini, some friends, and ice-cold drinks.

Kylie and Hailey have an impressive array of pool floaties.

Wednesdays ... amiright?

~Cosmo pink~ bikini alert.

That's one way to celebrate Legally Blonde's 15th birthday, aka the perfect day.

Yes, that is a pineapple on Ashlee's one-piece.

Dakota slays in a teeny tiny yellow bikini on the Fifty Shades Freed set in France while Jamie Dornan is nowhere to be seen.

A pool exit done right.

Kourt gets to know a sand hill a little bit better.

Chloë soaking up the sun.

Working those angles.

Carrie Underwood living her best summer life.

What, your pre-shoot fittings don't look like this?

Gigi goes red, white, and blue while reminding you that Taylor Swift throws the best Fourth of July parties.

Why wear a boring swimsuit when you can wear a swimsuit with a funny (inside) joke?

Chrissy's Hamptons party > your Hamptons party.

Ariel looks "back" at her Fourth of July with a killer bikini and a good ol' pun.

Reason no. 4506 why Kourtney & Kim Take Miami needs to come back.

Amy reminds the nation of her worth with this Fourth of July salute.

Kendall rocks the F out of this strappy bikini.

Emily is weekend-ready in this fab bikini.

Living that mermaid life in Miami.

Kourt elevates the bathroom decor with her presence.

Two million followers looks incredible on Ariel. Bravo.

Emily leaves little to the imagination with this leopard print bikini selfie.

What's that saying about chasing waterfalls in Las Vegas?

Sofia works on her tan while getting to know a new inflatable swan friend.

Kesha says a quick hello with a bikini selfie.

Beyoncé reminds the world of her Bey-kini body while on vacation in Hawaii.

Kylie goes nude — sort of — in this new selfie with her avocado phone case.

Farrah Abraham enjoys her Sunday at a pool party.

Hailey channels her inner CJ Parker from Baywatch in a red-hot one-piece.

JWoww takes the plunge (and a selfie) in a cutout design.

Iggy celebrates her 26th birthday and makes the best out of a sunglasses-less situation.

Rihanna attempts to develop a friendship with a swan.

Rita preps for a splash while relaxing in West Hollywood.

Lea reminds the world how easy it is to look flawless in a mismatched bikini.

Ashley lives her best vacation life by putting her "bunz" on display in the pool.

Alessandra preps for Coachella in the best way possible: by getting her bronze on (and not camping).

Happiness is being able to have great hair while chilling by a nearly empty pool in St. Barts.

Britney celebrates the first day of ~*spring*~ with a teeny-tiny yellow bikini.

This is what 82 degrees looks like in Los Angeles, FYI.

Taylor strikes a pose for boyfriend and part-time bikini photographer Calvin Harris during their ~tropical getaway~ on Mar. 15, 2016.

Nicole gets her tan on while doing a little stretch by the pool on Mar. 1, 2016.