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Steven Tyler's latest engagement might have gone sour, but that doesn't mean he's opposed to going to weddings.  He apparently attended a reception when he wasn't even invited. 

"The New York Post" says the Aerosmith frontman became the surprise celebrity guest at the Washington, DC reception for New York real estate broker Jeffrey Roseman and his new bride when he "accidentally strolled" into the party last weekend.  But the newlywed couple didn't mind.  Roseman says the rocker "could not have been more gracious and accommodating," and even posed for photos with him and his new wife.  

He adds that Tyler seemed to be having a good time.  Roseman says he believes the rocker would have stayed out with them "all night," but Tyler's "ornery bodyguard" made sure that didn't happen. 

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