(AP) - Shania Twain is gearing up for her Las Vegas residency, and she's already had what she calls her "first favorite moment."

She tweeted a photo of her with Elton John, saying "a genuine welcome hug from music hero Elton John backstage in 'our' dressing room."

Her show, called "Shania - Still The One" begins December 1st at The Colosseum at Caesars Palace.