"Texas is for lovers," Cobb, 36, captioned the pic of the father-son duo. The Scrubs alum sweetly posed cheek-to-cheek with Rocco, squishing his little face in the process.
Days earlier, Faison, 40, joked about Rocco's penchant for bad timing. "Dude waited till the end of the flight to fall asleep," he captioned an Instagram pic of them on an airplane. "On another note check out Nichelle Nichols - Uhura of Star Trek in the bg," he referenced to the 81-year-old actress, who was also on board.
Us confirmed on Nov. 5 that Faison and Jessica Simpson's BFF are expecting their second child together -- a girl! The couple are overjoyed about the second pregnancy, but Cobb has been experiencing some rough morning sickness along the way.
"Morning sickness is bulls--t. [It's] all day sick," Faison told Us at an Exes cast event in L.A. on Oct. 27. "I have nothing but respect for her because I know how difficult it was for me during those first three months, so I can only imagine how difficult it is for her."