Mary-Kate Olsen is an American businesswoman and fashion designer, known for her early acting career alongside her twin sister, Ashley Olsen. They rose to fame as infants, sharing the role of Michelle Tanner in the popular sitcom "Full House" (1987-1995). Following their success on "Full House," the Olsen twins starred in various films, establishing themselves as child stars. Mary-Kate Olsen has since transitioned from acting to the fashion industry, achieving success as a designer and entrepreneur.
On June 13, 1986, Mary-Kate Olsen was born in Sherman Oaks, California.
Mary-Kate Olsen's acting career began at nine months old when she shared the role of Michelle Tanner with Ashley on the sitcom "Full House" (1987–1995).
At six years old, Mary-Kate Olsen started horseback riding in 1992.
Mary-Kate and Ashley starred in the film "To Grandmother's House We Go," which was released in 1992.
In 1993, Mary-Kate and Ashley's success on Full House led to the creation of Dualstar Entertainment Group, a company dedicated to producing Mary-Kate and Ashley-branded products.
The Olsen twins starred in the film "Double, Double, Toil and Trouble," which premiered in 1993.
The film "How the West Was Fun," starring Mary-Kate and Ashley Olsen, was released in 1994.
After eight seasons, the popular sitcom "Full House," starring Mary-Kate and Ashley Olsen, concluded in 1995.
Mary-Kate Olsen's parents, Jarnette and David Olsen, divorced in 1996.
In 1997, Mary-Kate and Ashley made a guest appearance on an episode of the sitcom "Sister, Sister," which starred twin actresses Tia Mowry and Tamera Mowry.
Mary-Kate and Ashley starred in the film "Billboard Dad" and the television series "Two of a Kind," both of which were released in 1998.
Mary-Kate and Ashley starred in the films "Passport to Paris" and "Switching Goals," both released in 1999.
The television series "Two of a Kind," starring Mary-Kate and Ashley Olsen, ended in 1999 after one season.
In the late 1990s and early 2000s, Mary-Kate and Ashley became household names and preteen idols, with their likenesses appearing on various merchandise, including clothing, books, and dolls.
The film "Our Lips Are Sealed," starring Mary-Kate and Ashley Olsen, was released in 2000.
Mary-Kate and Ashley starred in the films "Winning London" and "Holiday in the Sun" and the television series "So Little Time," all released in 2001.
Mary-Kate and Ashley starred in the films "Getting There" and "When in Rome," both released in 2002.
The television series "So Little Time," starring Mary-Kate and Ashley Olsen, ended in 2002 after one season.
Mary-Kate and Ashley starred in the film "The Challenge" and made cameo appearances in "Charlie's Angels: Full Throttle," both released in 2003.
In 2004, Mary-Kate and Ashley Olsen's wealth was estimated at $137 million each, a testament to their successful acting and business ventures.
In 2004, Mary-Kate and Ashley appeared in their final film together, the romantic comedy "New York Minute."
Mary-Kate Olsen graduated from Campbell Hall School in 2004 and enrolled at New York University's Gallatin School of Individualized Study with her sister Ashley.
Mary-Kate Olsen moved to New York in 2004 to study at NYU, prompting a temporary pause in her horseback riding.
Mary-Kate and Ashley Olsen made headlines in 2004 by pledging to provide full maternity leave to workers in their Bangladeshi clothing factories, earning praise from the National Labor Committee for their commitment to worker rights.
Shortly after graduating high school in 2004, Mary-Kate Olsen publicly disclosed her admission into treatment for anorexia nervosa. Consequently, a "Got Milk?" advertisement featuring the Olsen twins was withdrawn.
Mattel's line of Mary-Kate and Ashley Olsen fashion dolls was discontinued in 2005 after a five-year run.
The Olsen twins' foray into high fashion began with The Row in 2005. Ashley's quest for the perfect T-shirt evolved into a personal project that ultimately led to the creation of their own fashion label.
Further solidifying their presence in the fashion world, Mary-Kate and Ashley Olsen became the faces of the luxury fashion line Badgley Mischka in 2006.
Mary-Kate Olsen's first solo acting role was in the film "Factory Girl" (2006), although her scene was cut from the theatrical release but included in the Unrated DVD and Blu-ray versions.
On November 20, 2007, Mary-Kate Olsen was admitted to the hospital due to complications arising from a reported kidney infection.
Forbes ranked Mary-Kate and Ashley Olsen as the eleventh-richest women in entertainment in 2007, with a combined estimated net worth of $100 million.
Mary-Kate Olsen had a recurring role on the television show "Weeds" in 2007. During this time, the Olsen twins expressed interest in potentially returning to film work but as producers.
Following the discovery of actor Heath Ledger's lifeless body in his apartment on January 22, 2008, Mary-Kate Olsen's name was drawn into the events surrounding his untimely passing. Ledger's massage therapist, who had found him, made two phone calls to Olsen before alerting the authorities. Subsequently, Olsen dispatched a private security officer to the scene.
In 2008, Mary-Kate and Ashley co-authored the book "Influence," featuring interviews with influential fashion designers who inspired their own design work.
Mary-Kate Olsen made guest appearances in the television show "Samantha Who?" and the film "The Wackness," both released in 2008.
Demonstrating their commitment to social responsibility, Mary-Kate and Ashley collaborated with TOMS Shoes in 2011 to design footwear for children in need. They also designed an Olsenboye Change Purse, donating the proceeds to the charity "Pennies From Heaven."
Mary-Kate Olsen appeared in the film adaptation of "Beastly" in 2011, marking her final acting project before retiring from acting.
In March 2012, Mary-Kate and Ashley announced their retirement from acting to focus on their fashion careers, with plans to open a store.
In May 2012, Mary-Kate Olsen entered into a relationship with Olivier Sarkozy, the half-brother of former French President Nicolas Sarkozy.
Mary-Kate Olsen and her twin sister Ashley won the WSJ magazine Innovator of The Year Award in October 2012.
Mary-Kate Olsen's horse, Marvelous, won the 38th Hampton Classic Horse Show in 2013 with James Anderson as the rider.
Mary-Kate Olsen participated in the Hampton Classic Horse Show in Bridgehampton, New York for the first time in 2013.
Expanding their fashion empire, Mary-Kate and Ashley launched an Elizabeth and James perfume in 2013.
Photos of Mary-Kate Olsen sporting what appeared to be an engagement ring surfaced in March 2014, sparking rumors of an engagement with Olivier Sarkozy.
Mary-Kate Olsen and Olivier Sarkozy exchanged vows in a private ceremony held at a residence in New York City on November 27, 2015.
In 2015, Mary-Kate and Ashley Olsen declined to reprise their role as Michelle Tanner in the "Full House" spin-off, "Fuller House." That same year, Nickelodeon acquired the rights to their video library.
Mary-Kate Olsen participated in The American Gold Cup in North Salem, New York on September 17, 2016.
Mary-Kate Olsen, riding Feu d'Amour, emerged victorious at The American Gold Cup in September 2017.
Mary-Kate Olsen and her horse Dunotaire V secured the 7th position out of 40 in a category at the Palm Beach Masters in Wellington, Florida in 2018.
Mary-Kate Olsen participated in the Longines Global Champions Tour in Madrid, Spain in May 2019. She achieved a sixth-place finish with Naomi but was disqualified with Fatum due to an "error of course".
Mary-Kate Olsen, partnered with Fatum, triumphed in the 1.25m two-phase showjumping class at the Longines Global Champions Tour in Chantilly, France on July 12, 2019.
Mary-Kate Olsen initiated divorce proceedings from Olivier Sarkozy on April 17, 2020.
The divorce between Mary-Kate Olsen and Olivier Sarkozy was legally concluded on January 25, 2021.
Mary-Kate Olsen participated in the Longines Global Champions Tour in Rome, Italy in September 2021, achieving second place in the 2 Phases Special event with Iowa Van Het Polderhof on September 16 and third place in the Against the Clock No Jump Off event with Dunotaire V on September 18.