Union Square Partnership is offering families a chance to get their holiday portraits taken by professional photographers for free on Sunday afternoon.

Carolers will be performing from 11 a.m. to 1 p.m. and there will be free hot chocolate.

Those who are interested can sign up for a 5-minute photo session here: http://www.eventbrite.com/e/picture-perfect-in-union-square-tickets-13967957537