Audrina & Cheryl Burke Screw 'Dancing' ... IT'S BIKINI TIME!!!

12/23/2013 7:00 AM PST
"Dancing" does a body good ... and Audrina Patridge and Cheryl Burke are the proof.

The ladies are both in Hawaii (on separate vacations) ... flaunting their incredible "Dancing with the Stars" physiques on the beach ... and it's NICE!

Still, we gotta ask ...