根据输入描述的音乐风格，推荐适合的歌手和歌曲。
音乐风格：轻快流行
歌手推荐：Taylor Swift, Ariana Grande, Ed Sheeran, Shawn Mendes, Camila Cabello
歌曲推荐：Shake It Off (Taylor Swift), Thank U, Next (Ariana Grande), Shape of You (Ed Sheeran), There's Nothing Holdin' Me Back (Shawn Mendes), Havana (Camila Cabello)