sunglasses gym sneakers gym bag bottle Nicole Richie

Her soon-to-be-hubby Joel Madden gyms it up 24/7, so we're not surprised babymama Nicole Richie works out regularly as well! Harlow and Sparrow's beautiful mom stopped by her gym in Studio City yesterday AND today for a little exercise - bet she's just toning up for her December wedding to Joel! And we can't wait for the big day either...