She may not be a zookeeper, but Scarlett Johansson doesn't mind getting her hands dirty. With Johannson playing a no-nonsense zookeeper alongside Matt Damon in this month's "We Bought A Zoo," fans can't help noticing that it's new territory for the "He's Just Not That Into You" actress. "In my actual life, I'm not particularly glamorous," Johansson told Popsugar when asked about her feelings on playing such an "unglamorous" role. "I don't live a very big, grand lifestyle. I like playing someone who's very practical and grounded."But in 2012, Johansson will be trading in her zoo boots for body suits in "The Avengers." alongside Robert Downy Jr. and Chris Hemsworth. "It's constant ass-kicking," Johansson says.