Matthew Felker acts alongside a dancer who began her career with what singer?
Jenna Dewan: Jenna Dewan Tatum (born Jenna Lee Dewan; December 3, 1980) is an American actress and dancer. Jenna Dewan:  She began her career as a backup dancer for Janet Jackson, and later worked with artists including Pink, Missy Elliott, and Christina Aguilera.
i don't know