Justin Timberlake might be cheating on Jessica Biel!

Justin partied with his boys in the VIP balcony of Tao nightclub in Las Vegas and according to pictures, Jessica was the last thing on his mind! Justin flirted with the girls and concentrated his on two go-go dancers, a cute blond and a hot brunette.

Justin and his friends left at 2:30 am, but the party didn't end there. Justin apparently met up with the two go-go dancers, who were holding a giant bottle of champagne at the elevator before they went up to his suite.

In the meantime, Jessica was on the east coast working!

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