Behind the Scenes with the "Beach Babes" 14 photos Next GalleryPerfect Fit Party Pics 10101546 Katrina not only has the brightest smile, but she always rocks the brightest bikinis! 10101551 If you know whats good for you, you'll stretch it out like Katrina and Karena before every workout. 10101556 Karena looks like a beach goddess. Hey, we'll do anything she says if it makes us look like that! 10101561 Most people bring a beach ball and umbrella for a day by the water, but not the 'Toned Up' girls -- they have fun with dumbbells! 10101566 Perfect 90-degree-angle yoga practicing BFFs! 10101571 Break-dance move or 'Toned Up' workout move? Either way, Karena's abs look killer doing it! 10101576 Karena and Katrina do some beach ballet as a part of their workout. 10101581 Seriously, have you ever seen anyone happier than Karena to be spending a day at the beach working on their fitness? Didn't think so. 10101586 Now that we know how to 'Toned Up' girls stay fit, we want to know the real question: how on earth do they get perfect beach waves in that hair? 10101591 It's hard to look at the beautiful landscape in the background when BFFs Karena and Katrina are seriously stealing the show. 10101596 What do you think caught Katrina's eye over there? Green juice? A hot body? 10101601 After a long day of shooting, the 'Toned Up' girls finally got to enjoy some fun in the sun. All smiles here! Previous Pause Next 1 of 12