Country singer Shania Twain was downright giddy during a March 4 appearance on ‘Good Morning America.’

“I’m finally, after 11 years, going back on tour,” she gushed, flashing a megawatt smile. But what she said next was the real surprise: “This is going be a big, big tour for me, because it’s going to be my last,” she said. “It’s a celebration tour for me.”

shania twain concert

Shania performing at the Super Bowl in January 2003.

If anyone deserves to kick up her heels, it’s Shania, because there was a time not very long ago when it was doubtful she would ever get back onstage. In the aftermath of the traumatic end of her marriage in 2008, the performer lost her ability to sing.

Related Story: Shania Twain Opens Up About Ex-Husband’s Affair With Her Best Friend

“Shania still believes the pain of her divorce and the feelings of betrayal in losing her best friend contributed to her health problems,” says a family friend.

shania twain performing

Shania performing in December 2012.

Intensive therapy to treat the lesions on her vocal cords and the support of her current husband, Frédéric Thiébaud, went a long way toward helping Shania recover and come back strong enough to perform for her fans one last time.

“Shania’s said this tour feels like a closing of one chapter of her life — it’s like a victory lap before she the audiences across the U.S. and Canada one more time,” says the friend. “She’s really looking forward to it.”

To read the full story on Shania, pick up the new issue of ‘Closer Weekly,’ on newsstands now!