Earlier this week, "The Newsroom" star Olivia Munn revealed an unusual habit. "I don't bite my nails, but I rip my eyelashes, the 32-year-old actress told the New York Daily News. 
 
 And Munn isn't alone in her bizarre behavior. Whether feeding their children mama-bird style (we're talking to you, Alicia Silverstone), dedicating an entire room to puppets (hello, Jason Segel), owning up to a geeky-game addiction or engaging in a neurotic ritual, plenty of celebs have been candid when it comes to their quirks. 
 
 Here are some other stars with strange habits. ||||| Munn, who also currently stars in HBO's "Newsroom" and the film "Magic Mike," says she harbors too much anxiety to raise a child. "It's not that I'm too busy with my career or anything, but I have this huge fear of something happening to a child of mine," she says. "What if I'm not a good parent and my child turns out to be a jerk? Like I need more anxiety in my life."
– Lots of people bite their nails, but not Olivia Munn: She plucks out her eyelashes, she told the New York Daily News this week. The odd tendency stems from a disorder called trichotillomania, the Huffington Post notes. Eight more stars with habits that are a bit strange: Johnny Depp: He likes … playing with Barbies? Jason Segel: One of the rooms in his house is "sort of dedicated to puppets," he once revealed. Jane Lynch: The Glee star used to be addicted to cough syrup. Simon Cowell: "I climb trees daily. It's like a ritual," he once said. Click for the full list, which includes one actress who used to open doors with her elbows.