On the same day John Mayer is playing a concert in N.Y.C., Simpson rolls into town with pooch Daisy. Plus: Paris, Gwyneth, Taylor and more

2 of 17

LICENSE TO WALK

Paris Hilton's fun ride comes to a sudden halt in Los Angeles on Tuesday after the heiress was pulled over for speeding and driving without her headlights on. Hilton was also cited with a misdemeanor violation for driving with a suspended license and, if convicted, she could face a maximum sentence of 90 days in jail.