The new season of Who Do You Think You Are? premieres Monday, May 21 at 9/8c only on TLC.

Actress Liv Tyler discovers a musician in her line of ancestors.

Get a first look at actress Liv Tyler’s journey.

Actor John Stamos meets with modern Greek historian Katerina Lagos where he learns that his paternal grandfather is listed as an orphan at only age 13.

Actor John Stamos discovers his paternal great-grandfather was murdered in a village in Greece.

Get a first look as actor John Stamos digs into his family history.

Smokey Robinson continues to learn about the surprising path of his maternal grandfather.

Get a first look at Smokey Robinson’s journey of exploring his family history.

First look at Jessica Biel’s journey of learning about her ancestry.

Noah Wyle learns the truth about the demise of his ancestor.

Noah Wyle discovers his ancestor fought in the Battle of Shiloh, one of the bloodiest battles of the Civil War.

A first look at actor Noah Wyle's journey to learn more about his family history.

Jennifer Grey’s ancestors travel to the U.S.

Jennifer Grey discovers her grandfather was a conscientious objector.

Jennifer Grey explains how she remembers her grandfather

Get a first look at Jennifer Grey’s journey on Who Do You Think You Are?

Actor/Director Bill Paxton researches his paternal lineage, uncovering the captivating life of an ancestor who was a war hero in an historic battle and who shaped politics and society during a turbulent era.

As Bill Paxton uncovers facts about his ancestor's role in the American Revolution, he also learns a surprising history lesson.

Studying the annals of southwest Virginia, Bill Paxton surmises how his ancestor, Benjamin Sharp, became such a powerful force in government.

Melissa Etheridge's ancestor Charlotte weds the father of her first child, born out of wedlock, and has another child with him...just six months after the legal union.

As Melissa Etheridge learns more about her successful, wealthy ancestors, she asks a historian how a family can go from having it all to having nothing within a matter of generations

Melissa Etheridge digs into her French roots and finds a family shaken by a scandalous lawsuit; a turbulent relationship entangled with tragedy; and an adventuresome ancestor who prospered in colonial America.

Despite the simplicity of Amish and Mennonite clothes, there are many standards behind pants, shirts and dresses.

Rebecca has dreams, but those are considered vanities in the Amish community. She's hoping to find love -- and a guy who will wash the dishes!

Meet Abe and find out why he yearns to explore the world beyond his Amish farm.

Jeremiah was adopted into an Amish family. He's looking to get out and explore his own dreams.

Sabrina doesn't want to wonder "What if?" She's leaving to find out what being normal really means.

Four Amish and one Mennonite leave the only home they've ever known to answer one question "is there more to life"? Facing being shunned by their families and possible exile from their communities, what will they think about life on the outside w ...

Kate is a bishop's daughter and has lived her life under a microscope. She's chasing dreams of modeling in New York.

What makes the Amish so different from the English -- and from the Mennonites? Find out in this exclusive video.

Barbie is a preacher’s daughter from a strict community in Kentucky. She thinks it’s wrong for the church to tell her who she can and can’t date, but is she willing to give up her Amish identity for love?

Return to Amish returns Sunday, July 10.