Sabrina Carpenter is achieving all of her dreams. The singer is currently performing her "Sweet and Sour" tour; for one of her Los Angeles shows, she brought out one of her idols: Christina Aguilera .
“The live show after ‘The Tipping Point’ for us kind of changed things a lot,” Smith says on a recent call from his home in Los Angeles. “Suddenly, it was all fresh and interesting. And we loved the ...