Grab your towels and your hottest T's and shorts because The Girls Next Door are going to make you sweat! The Playboy Mansion is home to Holly, Bridget and Kendra, but today it's the location for your private training session with Hef's one and only Three. Whether it's Kendra's Hot Hip-Hop Romp, the more demanding Bridget's Boot Camp Challenge or the sheer fun of Holly's Sexy Silhouette Shape Up, you'll find each one equally exhilarating! Join in, let the Girls Next Door games begin and work out to win!