For the encore, the group returned to the mammoth stage, seemingly turning on every light and smoke machine it had for "Still Feels Good" and Tom Cochrane's "Life Is a Highway."

Former American Idol Kellie Pickler opened the show. Although she wore her red high heels to the stage, she took them off after the second song and went barefoot the rest of the way. She told the crowd she had hit her head before the show and was "feeling a little dizzy."

"I promise I haven't been drinking," she said.

Although fans appreciated her song "Red High Heels" and a cover of Dolly Parton's "9 to 5," Pickler didn't seem connected with the audience, as she had problems with her ear monitor. She finally took it out for the last two-thirds of her set. And she was constantly tugging at her skin-tight tube top, making sure there were no wardrobe malfunctions.

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