Shania Twain Launches "Shania: Still the One" At The Colosseum At Caesars Palace

Singer Shania Twain performs during the debut of her residency show "Shania: Still the One" at The Colosseum at Caesars Palace on December 1, 2012 in Las Vegas, Nevada.

Shania Twain Launches "Shania: Still the One" At The Colosseum At Caesars Palace

Singer Shania Twain performs during the debut of her residency show "Shania: Still the One" at The Colosseum at Caesars Palace on December 1, 2012 in Las Vegas, Nevada.

Shania Twain Launches "Shania: Still the One" At The Colosseum At Caesars Palace

LAS VEGAS, NV - DECEMBER 1: Shania Twain performs during the debut of her residency show "Shania: Still the One" at The Colosseum at Caesars Palace on December 1, 2012 in Las Vegas, Nevada. (Photo by Glenn Pinkerton/Las Vegas News Bureau via Getty Images)

Shania Twain Launches "Shania: Still the One" At The Colosseum At Caesars Palace

LAS VEGAS, NV - DECEMBER 1: Shania Twain performs during the debut of her residency show "Shania: Still the One" at The Colosseum at Caesars Palace on December 1, 2012 in Las Vegas, Nevada. (Photo by Glenn Pinkerton/Las Vegas News Bureau via Getty Images)

Shania Twain Launches "Shania: Still the One" At The Colosseum At Caesars Palace

Singer Shania Twain performs during the debut of her residency show "Shania: Still the One" at The Colosseum at Caesars Palace on December 1, 2012 in Las Vegas, Nevada.

Shania Twain Launches "Shania: Still the One" At The Colosseum At Caesars Palace

Singer Shania Twain performs during the debut of her residency show "Shania: Still the One" at The Colosseum at Caesars Palace on December 1, 2012 in Las Vegas, Nevada.

Shania Twain Launches "Shania: Still the One" At The Colosseum At Caesars Palace

Singer Shania Twain performs during the debut of her residency show "Shania: Still the One" at The Colosseum at Caesars Palace on December 1, 2012 in Las Vegas, Nevada.

Shania Twain Launches "Shania: Still the One" At The Colosseum At Caesars Palace

Singer Shania Twain performs during the debut of her residency show "Shania: Still the One" at The Colosseum at Caesars Palace on December 1, 2012 in Las Vegas, Nevada.

Shania Twain Launches "Shania: Still the One" At The Colosseum At Caesars Palace

Singer Shania Twain performs during the debut of her residency show "Shania: Still the One" at The Colosseum at Caesars Palace on December 1, 2012 in Las Vegas, Nevada.

Shania Twain Launches "Shania: Still the One" At The Colosseum At Caesars Palace

Singer Shania Twain performs during the debut of her residency show "Shania: Still the One" at The Colosseum at Caesars Palace on December 1, 2012 in Las Vegas, Nevada.

Shania Twain Launches "Shania: Still the One" At The Colosseum At Caesars Palace

Singer Shania Twain performs during the debut of her residency show "Shania: Still the One" at The Colosseum at Caesars Palace on December 1, 2012 in Las Vegas, Nevada.

Shania Twain Launches "Shania: Still the One" At The Colosseum At Caesars Palace

Singer Shania Twain performs during the debut of her residency show "Shania: Still the One" at The Colosseum at Caesars Palace on December 1, 2012 in Las Vegas, Nevada.

Shania Twain Launches "Shania: Still the One" At The Colosseum At Caesars Palace

Singer Shania Twain performs during the debut of her residency show "Shania: Still the One" at The Colosseum at Caesars Palace on December 1, 2012 in Las Vegas, Nevada.

Shania Twain Launches "Shania: Still the One" At The Colosseum At Caesars Palace

Singer Shania Twain performs during the debut of her residency show "Shania: Still the One" at The Colosseum at Caesars Palace on December 1, 2012 in Las Vegas, Nevada.

Shania Twain Launches "Shania: Still the One" At The Colosseum At Caesars Palace

Singer Shania Twain performs during the debut of her residency show "Shania: Still the One" at The Colosseum at Caesars Palace on December 1, 2012 in Las Vegas, Nevada.

Shania Twain Launches "Shania: Still the One" At The Colosseum At Caesars Palace

Singer Shania Twain performs during the debut of her residency show "Shania: Still the One" at The Colosseum at Caesars Palace on December 1, 2012 in Las Vegas, Nevada.

Shania Twain Launches "Shania: Still the One" At The Colosseum At Caesars Palace

Singer Shania Twain performs during the debut of her residency show "Shania: Still the One" at The Colosseum at Caesars Palace on December 1, 2012 in Las Vegas, Nevada.

Shania Twain Launches "Shania: Still the One" At The Colosseum At Caesars Palace

Singer Shania Twain performs during the debut of her residency show "Shania: Still the One" at The Colosseum at Caesars Palace on December 1, 2012 in Las Vegas, Nevada.

Shania Twain Launches "Shania: Still the One" At The Colosseum At Caesars Palace

Singer Shania Twain performs during the debut of her residency show "Shania: Still the One" at The Colosseum at Caesars Palace on December 1, 2012 in Las Vegas, Nevada.

Shania Twain Launches "Shania: Still the One" At The Colosseum At Caesars Palace

Singer Shania Twain performs during the debut of her residency show "Shania: Still the One" at The Colosseum at Caesars Palace on December 1, 2012 in Las Vegas, Nevada.

Shania Twain Launches "Shania: Still the One" At The Colosseum At Caesars Palace

Singer Shania Twain performs during the debut of her residency show "Shania: Still the One" at The Colosseum at Caesars Palace on December 1, 2012 in Las Vegas, Nevada.

Shania Twain Launches "Shania: Still the One" At The Colosseum At Caesars Palace

Singer Shania Twain performs during the debut of her residency show "Shania: Still the One" at The Colosseum at Caesars Palace on December 1, 2012 in Las Vegas, Nevada.

Shania Twain Launches "Shania: Still the One" At The Colosseum At Caesars Palace

Singer Shania Twain performs during the debut of her residency show "Shania: Still the One" at The Colosseum at Caesars Palace on December 1, 2012 in Las Vegas, Nevada.