Pharrell Williams

Pharrell Williams (b. 1973), also known by his mononym Pharrell, is an American singer, songwriter, rapper, record producer and fashion designer. Pharrel's 2013 song "Happy" was the most successful song of 2014 with 13.9-million units sold worldwide.

He has also collaborated with Cee Lo Green, Miley Cyrus, Beyoncé, Madonna, Questlove, Gwen Stefani, Robin Thicke, Daft Punk, Britney Spears and others on hit singles and albums.

Pharrell will appear in Episode 4630 of Sesame Street performing the song "B is for Book." The segment was shot on October 7, 2015.