Joseph Kahn has worked with what Star Search and Mickey Mouse Club singer?
Christina Aguilera: Christina María Aguilera (born December 18, 1980) is an American singer, songwriter, actress and television personality. Christina Aguilera:  Born in Staten Island, New York and raised in Rochester and Wexford, Pennsylvania, she appeared on the television series "Star Search" and "The Mickey Mouse Club" in her early years.
i don't know