Join CBS Philadelphia at the Rittenhouse Square Tree Lighting on Friday, Dec. 5, from 4 to 6:30 p.m. Meteorologist Kate Bilo will host the event with performances by local groups including the Lady Hoofers, Voices of Philly and the Greater Philadelphia Choir Society. Our very own Ukee Washington will be performing alongside the Salvation Army Band. #rittenhouse #rittenhousesquare #treelighting