Girl for Girl(2001)

Overview:

Ben and Jeff are about to take their successful Internet startup company public and hit the jackpot for which they have been working so diligently. Ben is dating a beautiful yoga instructor named Caitlin, while Jeff is seeing Sara, an ambitious model. However, the men decide that they are suspicious enough of their respective girlfriends' intentions to set up a little test of their fidelity, and each sets out to seduce the other's lover.