Beyoncé's "Cowboy Carter" concerts are causing hotel prices to surge in tour cities with Chicago seeing the biggest jump, according to a new study.

During Sunday's show at SoFi Stadium, Bey replaced the venue with Allegiant Stadium, where she's slated to perform in July.

That’s what the fans of Blue Ivy Carter have taken to calling themselves. The 13-year-old daughter of Beyoncé Knowles Carter and her husband, rapper/entrepreneur Shawn “Jay-Z” Carter is performing as a dancer with her mother’s “Cowboy Carter Tour.