Do 'Dallas' Costars Josh Henderson and Linda Gray Really Know Each Other? | People

They may play mother and son, but the two act like perfect strangers! Find out why during our Costar Challenge. Subscribe to PeopleTV ►► http://bit.ly/SubscribePeopleTV Stay on top of all the latest celebrity gossip - Scandals, news, rumors and more:    • Playlist   Celebrity love, romance and relationships - Never miss out on who’s dating who, recent break ups and new hook ups:    • Playlist   Watch the newest celebrity interviews - From Jennifer Lopez to Jennifer Lawrence, Pop Stars to Movie Stars, Bachelors to Real Housewives, we’ve got it all:    • Playlist   Celebrity style, fashion icons, outfit fails and the best dressed - Check out everything from Gigi Hadid’s legendary outfits to Eva Longoria’s timeless style:    • Playlist   Get all access to A-list events, award shows and parties - Who wore what, which awards were won, and was there any drama:    • Playlist   No matter if you’re into Taylor Swift or Justin Bieber, we’ve got some of the best live performances right here:    • Playlist   Keep up with the Kardashians - get the latest on Kim & Kanye, and the rest of the hottest celebrity family around:    • Playlist   CONNECT WITH Web: https://peopletv.com/ Twitter:   / peopletv   Facebook:   / peopletvnetwork   Instagram:   / peopletv   Google+: http://po.st/GooglePeople ABOUT PEOPLE PEOPLE is the #1 online news source all things pop culture. Get your fix of the hottest celebrity news, celebrity gossip, celebrity interviews, exclusive stories, red carpet events, style and updates from the world of entertainment, involving your favorite stars. Do 'Dallas' Costars Josh Henderson and Linda Gray Really Know Each Other? | People    / people