Avril Lavigne Ex-Husband, Girlfriend Dress as Avril Lavigne, Future Husband For Halloween

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Avril Lavigne's ex-husband Deryck Whibley and his girlfriend Ari Cooper dressed as Avril and her fiance, Nickelback singer, for Halloween. And cross dressed.

Here are some of the weirder celebrity Halloween costumes we've seen ...

Deryck Whibley and Ari Cooper

Avril Lavigne and Chad Kroeger got engaged this summer; few knew they were even dating. For Halloween, Deryck was Avril, and Ari was Chad. The above photo was Tweeted.

The really funny part?

Kroeger saw the pic and Tweeted back to the Sum 41 frontman: "Hey Deryck loved the costumes! we were going to dress up as you guys this year but all the parties had celebrity themes haha! -CK"

Deryck Whibley? Served.

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Avril Lavigne Biography

Deryck Whibley and Ari Cooper
The punk singer is now married. Avril Lavigne tied the knot with fellow Canuck rocker Deryck Whibley awhile back. They may or may not... More »
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