Nick began his career as a stand-up comedian who warmed up the crowd before tapings of the Nickelodeon series "All That."
Katie's dad is David Cassidy, who starred in the popular retro TV series "The Partridge Family" and was a teen idol pop singer in the 1970s.
"Laguna Beach" may have focused on Kristin's party girl ways, but she actually graduated from high school with a 3.6 GPA.
Ciara says she decided to become a performer herself after watching a TV performance by Destiny's Child.<
Until a junior high school teacher asked her to audition for the school choir, Kelly planned to be a marine biologist.
Miley became known as "Miley" because her dad called her "Smiley" when she was younger, and that turned into "Miley."
He was the captain of his college tennis team at the College of Charleston in South Carolina.