Colbie Caillat and Christina Perri are co-headlining a tour called, I love the name of this, The Girls Night Out, Boys Can Come Too Tour this summer. The tour will be making a stop at the Hard Rock Hotel & Casino in Sioux City on Wednesday, July 22, 2015. Pop singer Rachel Platten is also coming along for the tour. Ticket info will be released at a later date. For more info go to

Caillat has been named Billboard magazine's 94th-best-selling music artist of the 2000–2009 decade. She will be promoting her recent full-length Gypsy Heart. Perri rose to fame in 2010 with the release of her debut single "Jar of Hearts." Perri will be promoting her album from last year, Head or Heart.

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