Trivia

Is best friends with her 2 Broke Girls (2011) co-star Beth Behrs.

Youngest of five children. Father is a molecular pharmacologist. Mother is a poet and speech therapist. Both are Jewish.

Took piano lessons for her role as Sloane in Raise Your Voice (2004).

One of her big passions in life is writing. In 2009, Kat co-wrote a screenplay with her brother.

Her first acting job was appearing in a potato chips commercial for Orleans low fat crisps.

After getting four aces during a poker game with Jennifer Love Hewitt and Jennie Garth, Kat got the poker name, "Four Aces Dennings.".

Kat, who portrays Bob Saget's oldest daughter on Raising Dad (2001), was born on the same day and in the same year (June 13, 1986) as Mary-Kate Olsen and Ashley Olsen, who portrayed Saget's youngest daughter on Full House (1987).

Her favorite television series: Smallville (2001), South Park (1997), The Osbournes (2002), Absolutely Fabulous (1992), Roswell (1999), Dawson's Creek (1998), Neighbours (1985), That '70s Show (1998), The Simpsons (1989).

Named as one of the "most desirable" famous women for 2013 in Ask men's list of top 99 "most desirable" women.

For her movie Nick and Norah's Infinite Playlist (2008), Kat was nominated for a Satellite Award in the category Best Actress in a Motion Picture, Comedy or Musical in 2008 and an MTV Award for Breakthrough Performance Female in 2009.

Is good friends with Evan Rachel Wood.

Her mother, Ellie Judith Litwack, is a poet and speech therapist while her dad, Gerald J. Litwack, is a molecular pharmacologist, biochemist, and former Associate Dean for Scientific Affairs at Thomas Jefferson University. Kat is the youngest among five siblings.

She performed the song "If You Want To Sing Out, Sing Out" in Charlie Bartlett (2007).

When she has time away from work, Kat likes to video blog. She even did one for the Nick and Norah's Infinite Playlist (2008) DVD.

She grew up as a goth girl.

Kat is 5' 4½" (164 cm) tall. She has dark brown hair and blue eyes.

She made her first appearance in a guest role on a 2000 episode of HBO's Sex and the City (1998).

She grew up in a haunted house from the 16th century, and her room was in the attic.

Kat loves all animals and can't pick a favorite. She also loves Shojo Manga.

Most of the characters she plays tend to be "rebellious daughters" around 15 or 16.

She was originally cast as Laynie Hart on Everwood (2002), but the role was recast for unknown reasons. It later went to Nora Zehetner.

In May 2021, Dennings has been announced her engagement to Rock Singer Songwriter Andrew W.K..

Ranked #97 on Maxim magazine's Hot 100 Women of 2012 list.

Ranked #55 on Interview magazine's Hollywood faces to watch "Future Stars of Tomorrow".

Ranked #16 in People magazine's "25 Beauties (and Hotties) at 25" list in 2011.

Ranked #30 in Ask men's top 99 "most desirable" women of 2012.

She starred in the 2007 film Charlie Bartlett (2007), as the daughter of Robert Downey, Jr.'s character.

Her cat, Millie sadly passed away in October 2023. She was 10 at the time.

She believes that a ghost saved her mother.

Kat is ranked No.33 in AIM.com's "100 Celebs Under 25." She has also been listed among Moviefone's Hottest 25 stars under the age of 25.

(February 15, 2021) On the Ellen DeGeneres Show she mentioned & showed video of her cat Millie and said she is considering getting another cat.

Of her family members, she has a mother named Ellie, a father named Gerald, a brother named Geoffrey, and a sister named Debbie.

Her mom is a speech specialist and her father is a biochemist.