Scarlett Johansson isn't exactly sure how her two-year-old daughter Rose will react when she watches Sing this holiday season.
The actress co-stars in the animated flick as a punk rock porcupine backup singer who is a finalist in a singing competition put together by a koala bear (Matthew McConaughey) trying to drum up business and save his theater from going under.
ScarJo told E!'s Marc Malkin at the Toronto International Film Festival premiere of Sing in September that she thinks Rose may "freak out" at the sound of her mom as the prickly rodent. "I think it would blow her mind," she said, laughing.
"I imagine everything in her mind is a little bit sort of trippy to begin with, so I think just seeing my voice coming out of a porcupine like that, especially a punk rock porcupine, it might be a little overwhelming for her," Johansson told us. "This may be the only movie I've ever made that she can see, though." (The SpongeBob SquarePants Movie is probably also on that list.)
"I'm really playing a girl who is kind of struggling to find her voice, both literally and figuratively," Johansson said. "You know, she's growing up. She's learning how to be the best version of herself."
Sing will be in theaters on Dec. 21.
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(Originally published Sep. 12, 2016, at 12:34 p.m. PT)