As for her much buzzed-about role as legendary actress Grace Kelly in Grace of Monaco, which Variety reports she beat out "nearly every top actress in Hollywood" for -- Kidman stresses that she doesn't let the fear of living up to certain roles ever stop her.
"I always try to push through fear. I won't be crippled by it. People say, 'Oh you take such risks, or 'You're brave.' And I'm like 'Well, if you only knew -- inside I'm really frightened!' she admits. "But the way people navigate pain and fear is fascinating."
The March issue of InStyle hits newsstands Friday, Feb. 14.