Game, set, match! Serena's nails went hand-in-hand with her championship trophy after she defeated Vera Zvonareva at Wimbledon.
The sisters who've put a spin on the buttoned-up game of tennis talk about passion, fashion, and their ferocious bond.
Brian Williams, NBC news anchor and guest star on 30 Rock, explains why he loves all things nonfiction.
How can nails regain their strength after wearing fakes? O's beauty director, Val Monroe, has the answer.
Oprah Radio host Gayle King talks with tennis legend Billie Jean King about her trailblazing career as a female athlete and what she's up to today.