By "cool kids," we mean celebrity moms and by "it ... Belted Up: This elbow-sleeve, button-front dress flatters the waist and minimizes insecurities around the midsection. Yes, please!

By “cool kids,” we mean celebrity moms and by ... Belted Up: This elbow-sleeve, button-front dress flatters the waist and minimizes insecurities around the midsection.

Check out our favorite pieces ahead. We're picturing the A New Day Women's Sleeveless Button-Front Dress ($28) at a picnic in the park . . . or make that several, as we can't pick just one color.