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Katherine "Kate" Sanders is the (former) secondary antagonist in the tv series, Lizzie McGuire.


Kate is the most popular girl in Lizzie's school, and is the captain of their school's cheerleading squad. Originally, one of Lizzie and Miranda's best friends, Kate became popular because she got a bra after summer camp was over; as a result of her new-found popularity, Kate becomes Lizzie's enemy. Kate enjoys trying to make Lizzie's life miserable, but Lizzie always manages to outsmart Kate and come out on top. Kate's last name was originally Saunders, but it was eventually changed to Sanders. While Kate was mean to Lizzie in the series, she helps her out and becomes Lizzie's friend again in The Lizzie McGuire Movie. Kate has a cousin named Amy. In the Season 2 episode Party Over Here, Kate shows a slightly self-conscious side. (It also implies that she is lonely too because she gets a call from her mom saying that she would not be home in time for Kate's party.) Even though Kate's popular, she is not truly happy.

In the episode I've Got Rhythmic, it is shown that Kate fails at rhythmic gymnastics, and gets jealous when she sees that Lizzie is extremely good at it (but later in the episode, Lizzie reveals to her parents that she actually hates rhythmic gymnastics and that the only thing she likes about it is that she is better at it than Kate). It is rather ironic that Kate would fail at something like that considering she is on the cheerleading squad, and that gymnastics, in general, is a huge component of cheerleading. 

It is revealed in The Untitled Stan Jansen Project that Kate's biggest secret (which she revealed to Claire) was that she got held back in Kindergarten, so she is actually a year older than everyone else in their grade (including Lizzie and her friends).

In The Lizzie McGuire Movie, Kate helps Lizzie in her plan to perform at the International Music Video Awards, and they become friends again.


  • Kate was born in the fall of 1987.
  • Unlike Lizzie, Miranda and Gordo, Kate can get away with anything. However the three always end up getting punished.

v - e - d
Lizzie McGuireLizzie McGuire videographyThe Lizzie McGuire Movie

Music: Lizzie McGuire (soundtrack)The Lizzie McGuire Movie (soundtrack)Lizzie McGuire: Total Party!

Lizzie McGuireMiranda SanchezDavid GordonMatt McGuireJo McGuireSam McGuireKate SandersEthan CraftLarry TudgemanClaire MillerLanny OnasisMelina BiancoParker MackenzieDanny KesslerVeruca AlbanoAngel LiebermanAmy SandersPaolo ValisariIsabella Parigi
Season One: "Rumors" • "Picture Day" • "When Moms Attack" • "Pool Party" • "I've Got Rhythmic" • "Jack of All Trades" • "Here Comes Aaron Carter" • "Misadventures in Babysitting" • "Election" • "I Do, I Don't" • "Bad Girl McGuire" • "Between a Rock and a Bra Place" • "Come Fly with Me" • "Random Acts of Miranda" • "Lizzie's Nightmares" • "Obsession" • "Sibling Bonds" • "Rated Aargh!" • "Gordo and the Girl" • "Educating Ethan" • "Lizzie Strikes Out" • "The Untitled Stan Jansen Project" • "Last Year's Model" • "Night of the Day of the Dead" • "Facts of Life" • "Scarlett Larry" • "Gordo and the Magic Dwarves" • "Lizzie and Kate's Excellent Adventure" • "The Courtship of Miranda Sanchez" • "Gordo's Video" • "Gordo's Bar Mitzvah"

Season Two: "First Kiss" • "El Oro De Montezuma" • "Mom's Best Friend" • "The Rise and Fall of the Kate Empire" • "Working Girl" • "And the Winner is" • "The Longest Yard" • "Just Friends" • "In Miranda Lizzie Does Not Trust" • "Over the Hill" • "Best Dressed for Much Less" • "You're a Good Man, Lizzie McGuire" • "Just Like Lizzie" • "Lizzie in the Middle" • "Inner Beauty" • "Movin' On Up" • "Party Over Here" • "She Said, He Said, She Said" • "Lizzie's Eleven" • "Dear Lizzie" • "Clue-Less" • "Bye Bye Hillridge Junior High" • "Bunkies" • "A Gordo Story" • "Grubby Longjohn's Olde Tyme Revue" • "The Greatest Crush of All" • "Grand Ole Grandma" • "My Fair Larry" • "The Gordo Shuffle" • "My Dinner with Mr. Dig" • "One of the Guys" • "X-Treme X-Mas" • "Magic Train"

Why Not • What Dreams Are Made OfThe Tide is High (Get the Feeling)