Nicole Richie leggings tights shirt stripes vertical purse sunglasses juice bottle wheat grass sneakers calves gym workout

'Tis the season to put on a little holiday weight ... unless of course you're Nicole Richie!

The starlet was in a great mood this morning when we snapped her leaving the gym in Studio City, and it looks like she has some room on her slender frame for a few extra pounds. Thanksgiving is almost a week away, so think she'll ditch the wheat grass juice for some turkey and potatoes?