Nicole Richie Hits the Gym With a Grin

Just because her big day is over, doesn't mean it's time to slack off in the gym! Newlywed Nicole Richie — who just tied the knot earlier this month — looked more than happy to be hitting the gym in Studio City, Calif. on Monday. Nic sported a big grin on her way home from a winter workout.

OK! GALLERY: NICOLE RICHIE & JOEL MADDEN MAKE YO GABBA GABBA MEMORIES

Nicole wed rocker Joel Madden a few weeks ago, with a very special guest at the wedding — an elephant!

OK! NEWS: NICOLE RICHIE & JOEL MADDEN TIE THE KNOT!

The twosome's children Harlow and Sparrow also played big roles as flower girl and ringbearer!