These Actors Were Switched Out of Their Roles And No One Noticed

Knocked Up

Could you imagine this comedy without Katherine Heigl in the lead? Well, once upon a time, that was totally the plan. Anne Hathaway was all set up to play the part. She had scripts memorized, costumes tailored, and she was fully ready to take on the role. However, she was recast at the very last minute and Heigl took the actress's place. The two have had bad blood between them ever since...