NEW UNSCRIPTED SERIES “KNOCK KNOCK LIVE”HOSTED BY RYAN SEACREST,PREMIERING TUESDAY, JULY 21

LIVES CHANGE WITH ONE KNOCK AT THE DOOR ON NEW UNSCRIPTED SERIES “KNOCK KNOCK LIVE” HOSTED BY RYAN SEACREST, PREMIERING TUESDAY, JULY 21, ON FOX  From acclaimed live television producers, Simon Fuller’s (AMERICAN IDOL, SO YOU THINK YOU CAN DANCE) XIX Entertainment and dick clark productions (SO YOU THINK YOU