CHICAGO — Ariana Grande’s return to the concert stage is here, and tickets to her three upcoming Chicago performances are in high demand. The Grammy-winning pop superstar will bring “The Eternal Sunshine Tour” to the United Center on Aug. 3, Aug. 5, and Aug. 6, marking her final North American dates before she heads overseas for a series of London shows. While primary inventory has sold out, verified resale tickets remain available through established marketplaces with strong purchase protections. Are Ariana Grande’s Chicago concerts completely sold out? Where to still buy Ariana Grande Chicago tickets nowThe following verified resale marketplaces currently offer listings along with extensive buyer guarantees and discount offers in some cases.