Nicole Richie Drives On Happily After Traffic School

Who knew going to traffic school was such a pleasant experience, the students leave with a smile on their face? Nicole Richie seemed to have thoroughly enjoyed learning all the rules of the road yesterday in Beverly Hills, as she left traffic school with a big grin and an even bigger coffee!

OK! NEWS: NICOLE & HARLOW HAVE FUN AT KID FIT

We didn't know Nicole still had to go to traffic school after her 2007 driving arrest — but it's good to see she takes driving seriously!

OK! NEWS: NICOLE & JOEL BUTT HEADS ON WEDDING VISION

Maybe she's just trying to set a good example for her two kids, Harlow and Sparrow!

OK! NEWS: NICOLE RICHIE SHARES A SMOOCH WITH SON SPARROW IN PARIS