Question: The Cheek to Cheek Tour was a co-headlining tour by American singers Tony Bennett and Lady Gaga in support of their album, "Cheek to Cheek" (2014), the tour, which began with a two-night run at the Cosmopolitan of Las Vegas,  a luxury resort casino and hotel on the Las Vegas Strip in Paradise, in which state?
Sentence (from "Cheek to Cheek Tour"): The tour, which began with a two-night run at The Cosmopolitan in Las Vegas, played a total of 36 shows across Europe and North America during the first half of 2015.
Relevant evidence: Yes