Sabrina Carpenter

Did this year’s Coachella catapult Sabrina Carpenter into the spotlight? Or was the onetime Disney Channel personality already on the precipice of pop superstardom? Ponder that as you wait in the ticketing queue for the “Espresso” singer’s three shows at the Crypto.com Arena and the Forum, which so far are the only L.A.-area stops on the “Short N’ Sweet Tour.”