If you’re an Olivia Rodrigo fan who saw how quickly her Sour Tour sold out on Friday morning (Dec. 10), she was just as shocked as you were. The “Drivers License” superstar took to Instagram to thank “all my incredible fans” for already getting the 40-date North American and European journey off to a wild start. The sold-out tour kicks off April 2, 2022, in San Francisco before the U.S. leg wraps in May with two Los Angeles stops and the European leg starts in June with a show in Hamburg, Germany. “SOUR TOUR is sold out!!! been waiting so long to perform these songs live. this is my very first tour and i’m so nervous but so excited to sing and dance the night away with you all!!!” the 18-year-old singer-songwriter captioned the vintage photo of her holding blue and pink balloons. “If you w...