Late last week, "Grey's Anatomy" star Patrick Dempsey's wife, Jillian Fink, filed for divorce, ending their 15-year-marriage. And while his decision to skip out on some autograph sessions at this weekend's IMSA racing event at the Daytona International Speedway suggests he's grappling with the news, photos from the race itself show Dempsey still sporting his wedding ring. Maybe it's just force of habit?

 

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