The pop star – who is dating “Chicago Fire” star
"'My bf Taylor is on TV TONIGHT!!!" for the premiere of CHICAGO FIRE on NBC at 10/9c in America," Gaga tweeted. "Monsters, wanna watch it with me+chat online?"
Gaga ordered the vegan burger and posted a total of 17 “Chicago Fire”-related tweets and retweets, including one about Mayor
"Omg! Thats the real mayor of Chicago on the show!" Gaga tweeted. "So emotional"
Gaga has been spotted frequently on the set of "Chicago Fire," which has been filming at the Cinespace Chicago Film Studios on the West Side and in various locations around the city.
According to Chicago Fire soccer player
"They had an ambulance out front of a house and were filming a scene where the medics were running inside the house," Rolfe told me. "…I'm trying to get a cameo."