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 "Cosmopolitan of Las Vegas"): The resort opened on December 15, 2010, and is located just south of the Bellagio on the west side of Las Vegas Boulevard.
Relevant evidence: No