Hugh Hefner Disrobes for Divorce

9/10/2009 2:00 PM PDT BY TMZ STAFF
After filing for divorce from his estranged wife of 11 years, Hugh Hefner resurfaced on Wednesday at his ex-girlfriend Kendra Wilkinson's baby shower ... out of his bathrobe/pajamas and fully clothed.

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The 83-year-old is a changed man.