Let's make this birthday one to remember.

37 years old (Born on September 28, 1987)

American actress, singer; She is famous from Lizzie McGuire.

One of Teen People 25 Hottest Stars Under 25 [2004]. Hilary played two characters in "The Lizzie McGuire Movie" - Lizzie & Isabella. Ranked #23 on the Maxim magazine Hot 100 of 2007 list. Got into singing after watching her sister, Haylie Duff, perform. Has her own clothing line "Stuff by Hilary Duff" at Target stores which made $5 million in its first year in stores.

Ranked #72 on the Forbes Power 100 for 2007.

A huge fan of Janis Joplin.

In 2001 she was placed on the 19th position in Greatest Teen Idol of all time by VH1.

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

Her favorite film is Romy and Michele's High School Reunion (1997).

When she has free time she likes gymnastics, swimming, reading, singing, writing and spending time with her sister.

Was voted the Biggest Breakthough of 2003 at VH1's Big in 2003 award show.

Has been homeschooled since the age of 10. Along with her sister, currently taking two online correspondence courses via the Harvard Extension School.

First magazine cover was the April 2002 issue of Popstar! Magazine.

Haylie Duff is her sister.

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.

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

Her song "Wake Up" hit Disney Radio before making it to national airwaves.

In 2006 she made Rolling Stone magazine's list of the top money making of the past year. The lost 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.

Was named the 14th Greatest Teen Idol of all time by VH1 in 2003, based on her acting, singing, public appearances and charity work.

According to the Chinese Calender, she was born in the year of the rabbit.

Donated many signed head-shots to Rocky Stone to be auctioned off to raise money to buy more toys for the Toy Mountain Campaign 2004. She was also very kind enough to give a personalized & signed head-shot to everyone listed in the "Special thank-you to:" section on http://www.rockyskidz.com site that helped out in this past years Toy Mountain Campaign 2003.

Her father, Bob Duff, owns a chain of convenience stores.

Likes all types of music but dislikes techno music.

Helped raise $23,000 at the 2004 celebrity auction for br**st Cancer Research.

Close friend of Italian Andrea Logiudice.

She has 3 hit albums, and a fourth, called Dignity, is coming out in 2007.

Plans on starting a design for dogs called Little Dog Duff named after her late dog of the same name.

Older sister actress Haylie Duff is in music group Inventing Venus.

She is married to Mike Comrie.

Said that her favorite movie she has filmed so far was The Lizzie McGuire Movie (2003).

Announced that she will donate $200,000 to the American Red Cross and $50,000 to USA Harvest to help the victims of Hurricane Katrina.

Named #58 in FHM magazine's "100 Sexiest Women in the World 2006" supplement. (2006).

Seventh cousin of Katie Couric and Emily Couric, and sixth cousin of Lance Armstrong.

As an actress she made her debut in "True Women" in 1997.

Ex-boyfriend Joel Madden is the lead singer for Good Charlotte.

The Sims is her favorite computer game.

Performed at President George Bush's youth inaugural concert [2005].

Was mentioned in Eminem's song Ass Like That

Visited Kitchener, Ontario, Canada in February 2005 to perform in a Tsunami relief fund raiser.

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

Considered for the part of Lola in Confessions of a Teenage Drama Queen (2004) but that part eventually went to Lindsay Lohan.

Currently has a net worth of approximately $25 million dollars from her Stuff By Duff Line, albums, tours, and movies, etc.

Is recording tracks with the help of boyfriend Joel Madden and his brother Benji Madden for her newest album due in summer 2005.

Donated sales from her sold out Most Wanted Tour to the Tsunami victims in South Asia. [2005]

Won the Fake ID Award in 2004 at the second annual TRL awards. The Fake ID Award is given to the hottest star under 21 and is voted by the people on mtv.com.

Re-did the song "Our Lips Are Sealed" by The Go-Go's with sister Haylie Duff for the A Cinderella Story (2004)-Soundtrack.

Romy and Michele`s High School Reunion" is her favorite movie.

Was voted the 19th Greatest Teen Idol of all time by VH1 in 2003. She also hosted the special.

Her clothing brand "stuff by duff" was also sold by Zellers (a large Canadian discount store chain). Zellers heavily advertised the clothing line on national television in the summer of 2004.

Was ranked #7 on Forbes List of The 20 Top-Earning Young Superstars.(2007).

Has appeared on "Hollywood Squares" (1998) twice, once with big sister, Haylie Duff.

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.

Has been working 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 is the 2004 Official International Spokesperson for the non-profit organization.

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

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

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

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

For her 17th birthday, her sister arranged a trip to Mexico for her and two friends.

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

Her mom is a music producer.