Katherine Heigl was a guest on "The Late Show with David Letterman" on Monday, September 27th, to promote the release of her new movie "Life As We Know It".

Photographers caught up with her outside her hotel in New York either side of a visit to The Ed Sullivan Theater to record the TV appearance. At the famous studio venue she posed for the waiting press before heading inside to change outfits and prepare for her guest spot.

Katherine Heigl Visiting The Late Show With David Letterman
Katherine Heigl Visiting The Late Show With David Letterman
Katherine Heigl Visiting The Late Show With David Letterman
Katherine Heigl Visiting The Late Show With David Letterman

"Life As We Know It" is released in theaters from October 8th.