Please don't stop the music Rihanna has collaborated with a number of pop, R&B and hip-hop artists. Highlights include "If I Never See Your Face Again," her duet with Maroon 5, and her songs with Ne-Yo -- "Hate That I Love You" and "Unfaithful." Additionally, she wrote "Rehab" with Justin Timberlake, and her most recent hit, "Live Your Life," is a cut from rapper T.I.'s "Paper Trail" album. Not to mention Jay-Z's contribution to "Umbrella" and Chris Brown's response, "Cinderella Under the Umbrella."