Since Dawson's Creek wrapped up, Katie has remained in the spotlight.
After dating co-star Joshua Jackson, she was quickly engaged to Tom Cruise in 2005.
The mum-of-two married screenwriter in Marc Silversteen in 2007.
She is currently working on TV show Vice Principals, where she plays Gale Liptrapp.
Who can forget the floppy haired Dawson Leery from hit show.
James Van Der Beek, who played the angst-ridden all-American boy, made his comeback this year.
The biggest film she has starred in so far is Batman Begins, when she played Rachel Dawes, Gotham's assistant district attorney and Bruce Wayne's childhood sweetheart.
In 2011, she played Jackie Kennedy in miniseries The Kennedys, and is reprised that role in The Kennedys: Decline And Fall last year.
He has also appeared in Fringe, Sky and Unbreakable Kimmy Schmidt.
Bad girl Jen Lindley was portrayed by Michelle Williams.
Real World (formerly known as The Real World from 1992 to 2013) is a reality television series on MTV originally produced by Mary-Ellis Bunim and Jonathan Murray.
First broadcast in 1992, the show, which was inspired by the 1973 PBS documentary series An American Family, is the longest-running program in MTV history Seven to eight young adults are picked to temporarily live in a new city together in one residence while being filmed non-stop. The Real World was originally inspired by the popularity of youth-oriented shows of the 1990s like Beverly Hills, 90210 and Melrose Place.
Even though she wasn't an original cast-member, she was a regular in the fifth and sixth series.