"She's (Priyanka) cool, but does bad even better. Can't wait. #Baywatch," Johnson posted on Twitter on Tuesday.
The National Award-winning actress will be seen playing the villain in the movie, based on the popular 1990s TV series of the same name.
Johnson, best known as The Rock, earlier welcomed the "Bajirao Mastani" actress on board by sharing a video on Instagram.
In the video, he is seen in the frame with the former beauty queen against seaside.
"She's one of the biggest stars in the world. Insanely talented, relentlessly smoking and extremely dangerous - perfect for #Baywatch. Welcome @PriyankaChopra to our bad a** and incredibly dysfunctional family. Cue Rated R slo-mo running on the beach. We start shooting next week. World. #WelcomeToBaywatch," Johnson wrote alongside the video.
One of the most watched TV shows globally, "Baywatch", was about the Los Angeles county lifeguards who patrol the beaches of Los Angeles, California. It starred David Hasselhoff and Pamela Anderson among others.