The 29-year-old actor and the 26-year-old actress are working together on the new ABC series Blood and Oil, which premieres this fall.
You might recognize Rebecca from her work on the short-lived but beloved Fox series Red Band Society, which aired this past season.
FYI: Chace is wearing a Junk Food t-shirt.
30+ pictures inside of Chace Crawford at lunch with Rebecca Rittenhouse… More Here! »