Shania Twain has always had a flair for the dramatic.

When the Madison Square Garden crowd screamed for her to welcome her to the stage Tuesday night, she screamed back at them.

"This is my party and I'm so glad you came," she said, following a raucous "Whose Bed Have Your Boots Been Under?" She added, "I'm having the time of my life."

Twain said the "Rock This Country" tour -- which stops at the Nassau Coliseum Wednesday night for the next-to-last concert before the Uniondale arena's renovation -- is her final one, to allow the 49-year-old to focus on creating new music. We'll see.

After all, Twain has been off the road for the past 11 years -- as she dealt with a very public divorce from husband and collaborator Robert "Mutt" Lange as well as a health scare that threatened her singing voice. But she handled her 100-minute show like she was never away.

Twain effortlessly juggled styles from the classic country of "Boots" to the heavy metal stomp of "Honey I'm Home" to a string of acoustic ballads that ended with the lovely "You're Still the One." That began as an a capella sing-along that eliminated any doubts about the strength of her voice, before blossoming into a showcase for her six-member band.

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"Life is full of ups and downs," Twain explained before a charmingly simple acoustic ballad "Today Is Your Day." She said, "You have to take the good with the bad."

That seems to be her attitude toward hanging up her thigh-high leather boots soon as well. Twain seemingly climbed her way back to as strong as she was in her heyday just so that she could go out on top.

"This is my last go-round," she said. "I'm going to make the most of it."

SETLIST: Rock This Country! / Honey, I'm Home / You Win My Love / Whose Bed Have Your Boots Been Under? / I Ain't No Quitter / Love Gets Me Every Time / Don't Be Stupid (You Know I Love You) / Any Man of Mine / I'm Gonna Getcha Good! / Come on Over / Party For Two (with Gavin Degraw) / Up! / Today Is Your Day / No One Needs to Know / You're Still the One / From This Moment On / That Don't Impress Me Much / (If You're Not in It for Love) I'm Outta Here! // ENCORE: Man! I Feel Like a Woman!