Reaching into the roots and ancestry of America's celebrities, "Who Do You Think You Are?" takes celebrities on a journey into their personal histories -- and now TLC has announced that the fan-favorite reality series "Who Do You Think You Are?" will air all-new episodes on the network this summer.

From roots in the Deep South to the slums of New Jersey, "Who Do You Think You Are?" follows the journeys of some of the most well-known names in American popular culture as they reveal unknown details about themselves and their families.