EXCLUSIVE: Charlize Theron Doesn't Plan on Having Any More Kids: 'My Hands Are Really Full Right Now'

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With a wildly successful film career and two adorable children, Charlize Theron has a lot responsibilities to balance -- which is why she says she isn't thinking about expanding her family any time soon.

"Both of my hands are really full right now," the Oscar winner told ET's Kevin Frazier at the premiere of her new film The Huntsman: Winter's War at the Regency Village Theatre in Westwood, California on Monday. "I think I'm good for now."

WATCH: Charlize Theron Adorably Thanks Her Son and Daughter During MTV Movie Awards Speech

"My son [Jackson] is like, 'Let's get a cat,' and I'm like, 'No! No! No more things that need to be fed! We're slowing down,'" Theron shared.

However, the 40-year-old star couldn't be more adoring of her 4-year-old son and her infant daughter, August, who she adopted from a South African orphanage last July. At the MTV Movie Awards on Sunday’s broadcast, Theron thanked her kids during her acceptance speech after winning the award for Best Female Performance for her acclaimed role as Imperator Furiosa in Mad Max: Fury Road.

"There was no way I couldn't thank my son because it was a tough movie for me to make. And he was in the trailer every single day," Theron shared with ET, adding that she doesn't know how she could have survived without her son being there to make her smile.

WATCH: Charlize Theron Reveals It Was Rough Working With Tom Hardy on 'Mad Max: Fury Road'

During the heartwarming speech, Theron told the audience that she was accepting the award "on behalf of my own Furiosa, my daughter."

"There's not one moment where I don't realize how unbelievably lucky I have it," Theron told Frazier on the red carpet. "They're little gems, they really are. They're amazing."

After her celebrated turn in Mad Max: Fury Road, Theron is set to continue adding to her action movie creds with a villainous role in the upcoming Fast 8 -- the next installment in the Fast & Furious franchise -- and she couldn't be more thrilled.

"It's super exciting. I mean, honestly, it's, it's like being invited to the coolest family/party/high school dance possible," she explained.

WATCH: Tyrese Gibson 'Excited' Charlize Theron Is Joining 'Fast 8' Cast: 'Welcome to the Family!'

After shaving her head for Fury Road, Theron admitted that expectations are high for her when it comes to the beloved franchise.

"I'm going to have to like do something really extreme," said Theron, who also said that the film is still in its early planning stages. "We're going to definitely try and do something cool, because the movie deserves that and [were going to] come up with something that is just right for the film."

In the meantime, Theron's action epic The Huntsman: Winter's Warhits theaters April 22.
Check out the video below for more on Theron joining the Fast and Furious family.

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