She could well pull it off because she's proven before she's fantastic with it, but country doesn't challenge her over 3 octave voice range much.

Katy Perry has never had any plastic surgery. You're a pretty ignorant prattler.

She looked awesome in both costumes, live with it.

Katy has a wider range and stronger voice than Dolly. You don't know much what you're talking about, do you.

I loved how Dolly's and Katy's voices blended, they sounded fantastic together! I loved Katy's red carpet appearance most where the looks are concerned, she was incredibly sexy and pretty. A childhood dream came true for Katy performing with Dolly, it was a truly happy day for her, and well deserved!

Pull your little head out of your big arsehole, AV Club.