DALLAS--(BUSINESS WIRE)--Reliant will light up a new holiday tradition at the AT&T Performing Arts Center on Friday, December 6. The Reliant Lights Your Holidays event will feature a dazzling display of lights on the Center’s iconic venues and trees in Elaine D. and Charles A. Sammons Park as well as a snow-filled play area. Southwest Airlines Holiday Concert and Fireworks Spectacular will headline with country star Jack Ingram and the largest fireworks display ever held at the Center.