Taylor Swift is known for reaching out to her favorite artists for collaborations. While she was still in the country genre, she was vocal about how much she admired Tim McGraw, even naming her first single after him. In 2013, the two would even sing together on McGraw's track "Highway Don't Care."Swift has also featured artists like Colbie Caillat, Ed Sheeran, and Kendrick Lamar on her songs, generating some of pop's best collaborations.