If you can get the best tan in Hollywood, you're really working hard.

Or are you hardly working?

Either way, as summer was unofficially kicked off on Memorial Day weekend, Radaronline.com decided to look at some of Tinseltown's best browners.

Jen Aniston, Brooke Burke, and Kim Kardashian are just three of the starlets in the running for the title of Best Hollywood Tanner of 2009.

Check out the photos to see who gets your vote.

PHOTOS: Best Hollywood Tanners of 2009.

And of course, these tans have been achieved by tanning professionals. Do not try this at home.

More Celebrity Bikini Fun

PHOTOS: Over-40 celebrity bikini bodies.

PHOTOS: Stars' favorite 2009 bikini styles.

PHOTOS: Full-figured stars' bikini bodies.

VIDEO: Sports Illustrated swimsuit model Bar Refaeli unveils her "little black bikini."