Lopez wore a no-nonsense ensemble in her starring role as Detective Harlee Santos on the show.
She wore baggy pinstriped slacks and black shoes with heels as she made her way around the set.
The intense actor, most famed for playing the role of Henry Hill in the Martin Scorsese classic Goodfellas, was outfitted in an all-black ensemble of a jacket, shirt and pants, accessorizing with a set of necklaces.
The 62-year-old actor, who plays lawman Matt Wozniak on the program, had his arm around Lopez as both clutched their scripts on the set.
.... Yall know JLo is A Good Actress.... Check Her Out In Shades Of Blue