Throughout the '90s, Nickelodeon introduced viewers to a number of up-and-coming actors. Here is what some of the network's stars lives look like now.

Kianna Underwood, a child star on Nickelodeon's 'All That' had a life that should raise concerns about other child stars.

It can be tough working alongside the same person for years, especially if it's on a kids show and you want to make the transition into more mature roles. Tensions can run high on any show, and ...