United Kingdom, April 29 -- Katherine Heigl couldn't "fathom" swapping her Utah life for a return to Hollywood.

The '27 Dresses' actress - who has children Naleigh, 15, Adalaide, 13, and Joshua, eight, with her husband Josh Kelley - left Los Angeles several years ago to focus on her family, and she couldn't see herself uprooting her life to plot a return to acting.

She told E! News: "When they're little, that's the most delicious and exciting time for you as a parent, but when they're teenagers is when they need you the most, and that's where I'm at.

"I just don't see how I could go off and make a movie for three months or a television series for nine months.

"Nothing shoots in Utah, so I have to go on location, and it's just it's not...