Summer sexiness: 7 celebs in bikinis

It's summer!

Okay, it's summer all the time in Singapore, but it's now also summer in most other countries (sorry Australia).

When the sun's out, you can count on celebrities to be out and about, too - in the flashiest bikinis, of course.

Kim Kardashian

Lea Michele

Katy Perry

Elle Macpherson

Denise Richards

Bar Refaeli