In this entertaining video, TMZ catches Frank Grillo completely off guard with unexpected news about his "Peacemaker" co-star, John Cena. During a candid interaction, Grillo learns for the first time that Cena had undergone a hair transplant, leaving him shocked and amazed. The revelation takes him by surprise, as Cena had kept it a secret from his colleagues. Watch Grillo's genuine reaction to the news as it's delivered right in the midst of the interview, highlighting the seamless secrecy surrounding Cena's decision.