Wife does not approve

"What the hell?" it came bluntly from Amy.

"No, no way. I love you, there is absolutely no way I would go out with your friend, just the thought of it makes me..." She shivers for a moment before calming down, "I'm sorry, but you need to find someone else, or some other solution because I will not do it!".
"But honey, he used your exact physical description when talking about his girlfriend. He has even used a photo or two of you too!"
"Well, that's not my fault." She shudders again as she thinks about being with Ken, "He should have thought about the consequences before roping me into it, without asking me mind you!"
"I know, I know." You state, trying to calm down your wife, "He made a mistake, and he will have to live with it. But please, can you at least offer another solution? He needs someone who looks identical or at least close enough to you. And that person must be willing and able to appear at the wedding in a few days."

Now Amy thought hard. Finally she said "Actually..."