If Katie Holmes had not yet cemented herself as the Worst Dressed Celebrity of 2008 (with no threat to her crown in sight), this ought to do the job.

The actress busted out her trademark winter shorts as she left her New York City apartment en route to the Gerald Shoenfeld Theater on Sunday.

It's as ridiculous as it sounds. If not more so. Peep it:

The 30-year-old had another matinee performance to do for Arthur Miller’s play All My Sons. Despite atrocious fashion sense and terrible hair, the mom of Suri Cruise kept warm in a gray Marc Jacobs scarf and seemed in good spirits.

Click to enlarge more pics of Katie Holmes below. Shield your eyes if you enjoy celebrity fashion. We'll post something good to balance her out soon:

[Photo Credits: Splash News Online]