Sabrina Carpenter. Marcelo Endelli/TAS23/Getty Images for TAS Rights ManagementSabrina Carpenter just dropped "Espresso," which is already topping the charts.She may have just released this year's summertime hit.Here's how lucrative those sunny, summer hits can be.Sabrina Carpenter is having her moment.With her new song "Espresso," the pop star may have just dropped this year's summertime hit.And that's after months of opening for Taylor Swift's Eras Tour, starting a new relationship with "Saltburn" star Barry Keoghan, and performing at Coachella this weekend.