I will never gain weight for a movie role: Zoe Saldana

London: Actress Zoe Saldana will never indulge herself to go on dieting just for the sake of a film. The 36-year-old `Avatar` star appreciated actors like Christian Bale and Jared Leto who can change their bodies to suit a role and get back into shape, reportedly.

"I really admire actors like Christian Bale and Jared Leto who go up and down, but they`re gifted, and once they`re done with that movie they go back and look like who they are.

The brunette beauty further praised her co-star Chris Pratt for losing more than 60 lbs to play Star-Lord in the upcoming Marvel movie.

"I don`t think that would happen to me. I love Shake Shack [a fast food chain] too much, as well!"

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