John Shearer/WireImageSabrina Carpenter teased her new single “Manchild” with footage of herself hitchhiking on a highway as cars and trucks pass her by. Now she’s announced a promotional stunt which is also automobile-themed.The Sabrina Carpenter Drive-In Theater Experience, which is being organized by Amazon Music, is happening June 6 at 7 p.m. ET in New York.…… Read More…