Trivia

Has 4 children: son, Luca Comrie (b. March 20, 2012) with ex-husband, Mike Comrie and daughters, Banks Bair (b. October 25, 2018), Mae Bair (b. March 24, 2021) & Townes Meadow Bair (born on May 3, 2024) with husband, Matthew Koma.

Stated in an interview that her favorite movie she has filmed was The Lizzie McGuire Movie (2003).

Married Mike Comrie in a small, private ceremony at San Ysidro Ranch in Montecito, California. Her sister, Haylie Duff, served as her maid of honor. (August 14, 2010). Duff chipped her tooth hours before the ceremony, it was fixed by a local dentist before the wedding began.

She made the Forbes list of richest young stars under 25, she made $15 million for the year of 2005. She beat out rival stars like Lindsay Lohan and Amanda Bynes.

She enjoys gymnastics, swimming, reading, singing, writing, and hanging out with older sister, Haylie Duff.

Was dropped from the cast of Daddio (2000) prior to the show airing. Depressed, Duff was reluctant to pursue her acting career further. A week later, she landed the title role of a newly developed Disney Channel children's television series Lizzie McGuire (2001).

In preparation for her driving test, she drove herself between filming locations during principal photography for A Cinderella Story (2004).

Younger sister of actress Haylie Duff. Daughter of film producer Susan Duff and Bob Duff, who owns a chain of convenience stores in Houston, Texas.

Has her own Barbie doll.

Duff has involved herself with various philanthropic activities. For natural disasters, she donated $250,000 to help the victims of Hurricane Katrina in addition to donating over 2.5 million meals to Hurricane Katrina victims in southern US in 2005. In August 2006, Duff traveled to a New Orleans elementary school and worked with USA Harvest to distribute meals.

Had conflict with Faye Dunaway when she said Hilary Duff wasn't a real actress (when it was confirmed Duff was going to perform in the remake of Bonnie and Clyde (1967)).

Her favorite films are Romy and Michele's High School Reunion (1997) and Drop Dead Gorgeous (1999).

Got into singing after watching her sister, Haylie Duff, perform.

Was mentioned in Eminem's song, "Ass Like That".

Was ranked on Rolling Stone's 50 Richest Rockers. The list reported that Duff made $17.1 million. Duff was the youngest person on the list and was joined by music heavyweights U2 and the Rolling Stones. (2006).

Diagnosed with hyperactive ADHD as a kid and still takes medication for it as an adult.

Worked for the charity Kids With a Cause, which helps children stricken by poverty, hunger, sickness, a lack of education, abandonment, neglect and/or abuse, since it was founded in September 1999, and served as the 2004 Official International Spokesperson for the non-profit organization.

Her first clothing line, Stuff By Hilary Duff, was launched in 2004. Initially started as a clothing line, the company expanded its business into furniture, fragrances, and jewelry, targeted at the teen and preteen demographic, the line grossed more than $5 million in its first year. The line was officially discontinued, in 2008, since Duff didn't have full control of the line anymore.

She is descended from the Scottish King Robert The Bruce, who is Hilary's 21 times great grandfather.

Released her debut young adult novel, Elixir, on October 12, 2010. The book also reached the New York Times' Best Sellers List.

"With Love... Hilary Duff" was Duff's first fragrance and is distributed by the Elizabeth Arden company. The fragrance was a huge success for Duff, becoming one of the three best-selling fragrances launched at U.S. department stores in late 2006.

Her favorite episode of her hit show Lizzie McGuire (2001) is First Kiss (2002), where her character Lizzie falls in love with the paperboy and shares a kiss with him.

Released her third studio album, Dignity, on April 3, 2007. Between the releases of her previous studio album, Hilary Duff (2004) and this album, Duff had an eventful personal life; she was stalked by a man who threatened her life, her parents separated and she broke up with her boyfriend. Instead of mainly selecting songs and only writing a few, as she did with her previous records, she contributed to the writing of all but one song.

Accepted the lead role in A Cinderella Story (2004) because Charles Perrault's story "Cinderella" was her favorite fairy tale when she was growing up.

A huge fan of Janis Joplin.

Currently enrolled at the Harvard Extension School with her sister and fellow actress/singer Haylie Duff, taking on-line classes and traveling with tutors. (February 2005)

Was rated the #1 Hottest Teen Female Star for 2003 based on her acting, singing, public appearances, and charity work.

Returned to work 10 months after giving birth to her son Luca in order to begin filming her guest appearance on Raising Hope (2010).

Shot the music video to her song "So Yesterday" on Venice Beach in Marina Del Rey, California.

Was considered for the role of Tibby in The Sisterhood of the Travelling Pants (2005). The role went to Amber Tamblyn.

Good friends with Frankie Muniz.

Was first offered the role of Mary Elizabeth "Lola" Cep in Confessions of a Teenage Drama Queen (2004), but Lindsay Lohan was cast instead.

For her 17th birthday, her sister arranged a trip to Mexico for her and two friends. Also on that day, Duff released her eponymous second studio album. The album debuted at #2 on the Billboard 200 and sold 192,000 copies in its first week.

Filed for divorce from her husband of 4 years Mike Comrie following a year long separation. (February 2015)

Was offered the role of Silk Spectre for the movie Watchmen (2009). However, she turned down the offer because production took so long, and she was replaced with Malin Akerman.

Was offered the role of Annie Wilson on 90210 (2008), but declined as she was more interested in looking for projects outside the teen genre. Shenae Grimes-Beech later accepted the part.

Was named one of People's 50 Most Beautiful People. [2005].

In 2007, Forbes Magazine estimated her earnings for the year at $12 million.

Was home schooled since at the age of 10. Took two online correspondence courses via the Harvard Extension School. (2005).

Covered the song "Our Lips Are Sealed" by The Go-Go's with sister Haylie Duff for the A Cinderella Story (2004)-soundtrack. Her and Haylie also covered "Material Girls" by Madonna for their film Material Girls (2006).

Engaged to Mike Comrie (February 19, 2010).

She was the last celebrity guest caller on Frasier (1993) alongside Estelle Parsons, Penny Marshall and Stanley Tucci in the same call.

Her first magazine cover was the April 2002 issue of Popstar magazine.

Rolling Stone proclaimed her "Teenager of the Year" in 2003.

Was ranked at #46 on Rolling Stone's 50 Richest Rockers. (2004).

She has Germanic and Celtic ancestry.

Her debut album, Metamorphosis, debuted at #2 on the Billboard 200 and sold selling 203,000 copies in its first week, becoming the highest opening week sales figure for a debut album by a female artist in 2003. In its second week of release, the album went to #1. The album became the eighth best selling album of 2003 in the US, according to Nielsen SoundScan, selling 2.6 million copies in a period of five months.

She has German, English, Scottish, Scots-Irish, French, and Welsh ancestry. Two of her great-great-grandparents were born in Germany.

Her name is derived from the Latin word hilarius meaning "cheerful".

Ranked #23 on the Maxim magazine Hot 100 Women of 2007 list.