Shailene Woodley Explains Eating Clay to a Confused David Letterman - Watch Now!

Shailene Woodley chooses a bright blue dress for a The Fault in Our Stars fan event held at the Dolphin Mall on Tuesday (May 6) in Miami, Fla.

The 22-year-old actress was joined by her co-stars Ansel Elgort and Nat Wolff, along with the novel’s author John Green.

Recently, Shailene appeared on The Late Show with David Letterman, where she explained how she eats clay.

“Clay binds to other materials in your body and helps your body excrete those materials – that are not necessarily the best for you,” Shailene said. “Have you heard of Metamucil?” host David Letterman retorted. Watch the clip below!

FYI: Shailene is wearing a Preen dress and Alejandro Ingelmo shoes. Ansel is wearing a rag & bone outfit.