Celebrities

On U Jewelry has been worn by some pretty incredible people — from tennis royalty to Hollywood icons. Here's a peek at who's been spotted wearing Donna's one-of-a-kind pieces.

From the tennis court to the red carpet, these are just a few of the remarkable people who've worn a piece of On U.

Stefanie Graf > Andre Agassi
Barbra Streisand Sheryl Crow
Haley Duff Lindsay Lohan Giuliana Ransic
Sophia Bush Brooke Adams Michelle Trachtenberg
Hilary Duff Cher
Steven Tyler Alyson Stoner You.