Later on Friday, Underwood headlined the ACM Women of Country Night event during the 2016 ACM Party for a Cause Festival at the Las Vegas Festival Grounds. She wore a white, sparkly, cutout fringed top over black ripped skinny jeans.
Other performers included Cam, Kelsea Ballerini, Martina McBride, Kellie Pickler, Maddie & Tae, Lauren Alaina, Kelleigh Bannen, Brandy Clark, Miranda Lambert and Jana Kramer. The event took place two days before the 2016 ACM Awards, where Underwood and most of the other artists are also set to perform.
Lambert made a surprise appearance during Underwood's set to perform "Something Bad" with her. For the finale, Alaina, Bannen, Kramer and Pickler joined Underwood onstage to perform her hit "Before He Cheats." Underwood then performed two songs for her encore—"Smoke Break" and "Something in the Water."
The event also marked an American Idol alumni get-together: Underwood won season four in 2005, Pickler placed sixth in season five in 2006 and Alaina came in second place in season 10 in 2011.
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