Willow Smith Co-Hosts with 'Oprah'

Tuesday's Oprah Winfrey's show features the smartest and most talented kids, including Willow Smith, who co-hosts with Ms. Winfrey. Willow also performs "Whip My Hair," with her parents Jada and Will Smith joining them onstage to show their support.

Making a surprise appearance, four-time Grammy winner Lenny Kravitz also joined the show to inspire a young guitarist. The episode also featured an Oprah YouTube find, pint-sized dancers and more!