In 2005, she was placed at #38 in the “50 Sexiest Stars of All Time” list by TV Guide.
In April 2011, she filed a $50 million libel lawsuit against Star Magazine as they published a cover story in March 2011 about her in which the magazine hinted about her taking drugs.
She has also appeared in 2 episodes of the CBS sitcom How I Met Your Mother.
Katie runs a charity called “Dizzy Feet Foundation”.
She used to get $1,75,000 per episode for Dawson’s Creek in 1998.
She has voiced the role of Rachel Dawes in the 2005 video game Batman Begins.
She is friends with Victoria Beckham.
In 1998, she dropped out from Columbia University in order to focus on her role as Joey Potter in Dawson’s Creek.
She is a very quick learner as she learned how to ride a dirt bike in less than two hours. Her ex-husband, Tom Cruise made her learn.
Katie’s father wanted her to become a doctor.
Her favorite movie is My Best Friend's Wedding (1997).
She and Tom Cruise both wore Armani at their wedding.
Katie and Tom Cruise became the parents of Suri Cruise on April 18, 2006 in Los Angeles. "Suri" weighed 7 lbs. 7 oz. and was 20 inches.
A small band from Japan have performed a song about her entitled "Katie".
Noisy underground British artist 'Firexit' has two songs with references to Katie, one called "K H" (Katie's initials) and a song called "The reason I can't have her" featuring samples of Katie singing 'On my own' from a "Dawson's Creek" (1998) episode.
Auditioned for the role of Ellie Christianson in Wicked (1998), but Julia Stiles won the part.
Engaged to Tom Cruise as of 17th June 2005.
Friends with Victoria Beckham.
Three older sisters: Tamera (born ca 1968), Holly Ann (born ca 1970), and Nancy Kay, Mrs. Blaylock (born ca 1975). One older brother: Martin Joseph, Jr. (born 1970).
The first concert she ever saw was Whitney Houston.
Holmes's couch-jumping-worthy engagement ring is a Edwardian-style oval- shaped diamond ring of about 5 carats in a pave setting.
Named #22 on the Maxim magazine Hot 100 of 2005 list.
Her fantasy role was playing Sydney in Scream 3 (2000).