40 years old (Born on December 18, 1978)
American actress; She is famous from Joey Potter on Dawsons Creek.Turned down the lead role in 40 Days and 40 Nights (2002), due to scheduling conflicts. Graduated from Notre Dame Academy, an all-girls Roman Catholic school in Toledo, Ohio. 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). Auditioned for the role of Ellie Christianson in Wicked (1998), but Julia Stiles won the part. Likes to run three to four miles a couple of times a week to clear her head.
Katie Holmes's Best Moments
Fun Facts About Katie Holmes
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.
Niece of former WCW Superstar Jimmy Golden.
Friends with Victoria Beckham.
Shares a birthday with Brad Pitt, Casper Van Dien, Christina Aguilera, DMX, film critic Leonard Maltin and legendary filmmaker Steven Spielberg.
Chosen as one of Teen People Magazine's "21 Hottest Stars Under 21". 
Engaged to Tom Cruise as of 17th June 2005.
Participated in and finished the New York Marathon in 2007.
Has worked with two Batmans. In Batman Begins (2005), she works with Christian Bale. Her previous film was First Daughter (2004), in which her father, the President, is played by Michael Keaton.
The first concert she ever saw was Whitney Houston.
Her brother Martin Joseph, Jr. works as a lawyer in Ohio.
Best Man at her wedding to Tom Cruise was David Miscavige.
Bought a Wilmington, North Carolina townhouse, while filming "Dawson's Creek" (1998), and lived there for ten months of the year.
Dated actor and co-star of "Dawson's Creek" (1998), Joshua Jackson, while filming Season 1 of the show and part of Season 2. She refers to him as her first love. They remain great friends.
Engaged to actor Chris Klein December 2003 - March 2005. They were together for five years.
A small band from Japan have performed a song about her entitled "Katie".
Her fantasy role was playing Sydney in Scream 3 (2000).
Ranked as #72 in FHM's "100 Sexiest Women in the World 2005" special supplement. (2005)
Her father Martin Joseph Holmes, Sr. is a lawyer, an attorney specializing in divorces, and her mother Kathleen (Kathy) A. is a homemaker and a philanthropist.
Deferred attending Columbia University twice, but finally took a single photography class in the summer of 2000.
Auditioned for the role as Buffy Summers in the series "Buffy the Vampire Slayer" (1997), but was too young.
Her favorite movie is My Best Friend's Wedding (1997).
Voted as "Babe of the Year 98" (u00c5rets Babe 98) by Expressen Fredag, Sweden.
Named #22 on the Maxim magazine Hot 100 of 2005 list.
Mentioned in the song High School Never Ends by Bowling for Soup.
The first movie she ever saw was E.T.: The Extra-Terrestrial (1982).
Named #90 in FHM magazine's "100 Sexiest Women in the World 2006" supplement. (2006).
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.
Sang Eponine's theme song, "On My Own" from Les Miserables, in an episode of "Dawson's Creek" (1998).
On November 18, 2006, married Tom Cruise at the Odescalchi Castle in Lake Bracciano, Italy in front of family and friends. Lots of celebrity guests included Will Smith and Jada Pinkett Smith, Brooke Shields and Chris Henchy, Richard Gere, Victoria Beckham and David Beckham, Jennifer Lopez and Marc Anthony, and Jim Carrey and Jenny McCarthy, John Travolta and Kelly Preston, Jenna Elfman, Bodhi Elfman and Leah Remini.
Was lined up to have a 3 episode guest spot on "Friends" (1994) but had to pull out due to scheduling conflicts.
December 2003 - She and Chris Klein are engaged.
Stepmother of Tom Cruise children Isabella and Connor.
She and Tom Cruise both wore Armani at their wedding.
Holmes's couch-jumping-worthy engagement ring is a Edwardian-style oval- shaped diamond ring of about 5 carats in a pave setting.
Ranked #35 in Stuff magazine's "102 Sexiest Women in the World" (2002).