What Happens in Vegas

Gene and Shannon get invited to the premiere of the new Cirque du Soleil show "Viva Elvis" in Las Vegas the same weekend Nick is going to celebrate his 21st Birthday with his friends. When Nick's Birthday plans fall apart, Shannon comes to the rescue and takes Nick out on the town for a celebration he'll never forget. Meanwhile, back in Los Angeles, Sophie is in charge of picking up Nick's Birthday present and making sure it gets home safe and sound.