In 2006 and 2007, Rivera took part in a production of Mark E. Swinton's play, U Don't Know Me: The Musical, both in Los Angeles and when the production was taken on national tour.
Pada tahun 2006 dan 2007, Rivera mengambil bagian dalam produksi musikal Mark E. Swinton, U Don't Know Me: The Musical, baik di Los Angeles dan ketika produksi tersebut diambil pada tur nasional.