What is she knows ne yo lyrics?

As an AI language model, I don't have any specific information about who knows Ne-Yo's lyrics. However, Ne-Yo (born Shaffer Chimere Smith) is an American singer, songwriter, dancer, and actor known for songs such as "So Sick," "Miss Independent," and "Closer." His lyrics often deal with love, relationships, and personal growth. Many of his fans and listeners know his lyrics by heart and can sing along to his songs.