After keeping it secret for weeks, Warner Bros. has finally revealed that John Cena is going to play the role of a merman Ken in the movie. And this revelation is directly implying that he could be romancing the pop star Dua Lipa in the movie who is playing the role of a mermaid Barbie. Still confused? Let’s connect all the dots together and dig deep into the reports of a potential romance between the WWE superstar John Cena and the singing sensation Dua Lipa.