Marriage rumors aside, Kinney would like to turn up the heat with his real-life flame by having her on the NBC drama as a guest star. A.J. suggested Kinney rescue his Lady love in the episode. "Yeah, we could do that," Taylor said. "She'd have like fire breathing breasts."

Gaga has to first get back on her feet. Mother Monster has been on the mend after undergoing hip surgery. "She's great, she's doing well," the 31-year-old Kinney revealed.

Kinney also dished on his character Lieutenant Kelly Severide having a baby with co-worker and roommate Lesley Shay.

"It changes every week because she's nuts!" he said. "So it goes back and forth� I said I was in, so I'm waiting to hear back, and we'll see."