The actress added that she initially had her doubts, but was shocked to know the abs were real.
"I didn't think it was real initially. (I thought) there's gotta be some air brushing or paint brushing or whatever people... I can vouch for them. I have seen them for real. They are real and I was shocked," Priyanka said.
WATCH: Priyanka Chopra gives a tutorial on how to fight in heels like a pro!
The "Quantico" star, who will be making her Hollywood debut with "Baywatch" this year, talked about Efron's physique in an interview with E! News when she became a part of ongoing CinemaCon here. The video is doing the rounds on social media platforms.
She was joined by her co-stars Dwayne Johnson, Efron, Alexandra Daddario, Kelly Rohrbach and Jon Bass.
When asked by the interviewer whether Efron is human to have such a perfect body, she said: "Human beings have them."
The Third trailer of Priyanka Chopra’s and Dwayne Johnson Baywatch is here and we’re all hearts for it!
"He is forever training. I watched him and I ate. I was always eating whenever Zac was training. I don't know why I always got hungry seeing him work so hard," Priyanka added.
"Baywatch" has been adapted from the 1990s' popular TV series of the same name and is slated to hit the screens in May. Priyanka will be seen in a negative role.
Check out the trailer of 'Baywatch' below;
IANS