dolled down

1. The opposite of "All Dolled Up" (dressed up), the term "Dolled Down" refers to a more casual style in comparison, with possible lack of caring or attention to one's looks and/or wardrobe.

2. Natural beauty; an individual who doesn't need makeup or fancy clothing/jewelry to look beautiful.

"She's all dolled down today, rocking sweatpants and her boyfriend's tee."