Amanda Seyfried and Sydney Sweeney

Amanda Seyfried and Sydney Sweeney are two American actresses whose careers have developed across film and television in different eras. Seyfried, born in 1985, became widely known through Mean Girls, Mamma Mia! and The Dropout, while Sweeney, born in 1997, rose to prominence through Euphoria, The White Lotus and Anyone But You. Both have also taken on producing work and earned major awards recognition. Their biographies, career milestones, family backgrounds and publicly documented achievements show two distinct paths through the entertainment industry.

Amanda Seyfried and Sydney Sweeney – Quick Bio Table

Category	Amanda Seyfried	Sydney Sweeney
Full Name	Amanda Michelle Seyfried	Sydney Bernice Sweeney
Date of Birth	December 3, 1985	September 12, 1997
Age	40 years	29 years
Net Worth	Estimated around $16 million–$40 million depending on source; no independently verified figure	Estimated around $40 million according to Biography.com; not independently verified
Birthplace	Allentown, Pennsylvania, USA	Spokane, Washington, USA
Nationality	American	American
Profession	Actress, producer, singer	Actress, producer
Years Active	1996–present	2009–present
Known For	Mean Girls, Mamma Mia!, Big Love, Les Misérables, Mank, The Dropout	Euphoria, The White Lotus, The Handmaid’s Tale, Anyone But You, Reality, Immaculate, The Housemaid, Christy
Breakthrough Role	Karen Smith in Mean Girls (2004)	Cassie Howard in Euphoria (2019)
Major Television Role	Elizabeth Holmes in The Dropout	Cassie Howard in Euphoria
Other Major TV Role	Sarah Henrickson in Big Love	Olivia Mossbacher in The White Lotus
Film Breakthrough	Mean Girls	Once Upon a Time… in Hollywood
Major Musical Film	Mamma Mia! and Mamma Mia! Here We Go Again	—
Notable Drama Film	Les Misérables, Lovelace, Mank	Reality, Immaculate, Christy
Recent Film Work	The Testament of Ann Lee	The Housemaid, Christy
Height	5 ft 3 in (1.60 m)	About 5 ft 3 in (1.60–1.62 m)
Hair Color	Blonde	Blonde
Eye Color	Blue	Blue
Zodiac Sign	Sagittarius	Virgo
Parents	Ann Seyfried and Jack Seyfried	Lisa Sweeney and Steven Sweeney
Siblings	Older sister, Jennifer “Jenn” Seyfried	Younger brother, Trent Sweeney
Education	William Allen High School; accepted to Fordham University but deferred attendance after Mean Girls	Saint George’s School in Spokane; continued education while pursuing acting
Early Career	Modeling and daytime soap operas, including As the World Turns and All My Children	Television guest roles including Criminal Minds, 90210, Grey’s Anatomy and Pretty Little Liars
Modeling	Started modeling at about age 11	Not primarily known for modeling
Singing Background	Studied opera and received vocal training	Not primarily known as a singer
Music-Related Work	Performed songs for Mamma Mia! and other projects	No comparable major music career
Hobbies / Interests	Animals, taxidermy, singing and outdoor interests	Cars, automotive restoration, martial arts, sports and outdoor activities
Martial Arts	Not a major documented part of her career	Has trained in mixed martial arts, grappling, Brazilian jiu-jitsu and kickboxing
Production Work	Producer on selected projects, including The Dropout	Producer/executive producer on selected projects, including Anyone But You and Immaculate
Production Company	Has production credits but is not principally identified with a personal production company	Fifty-Fifty Films
Academy Awards	Nominated for Best Supporting Actress for Mank	No Academy Award nomination documented
Emmy Awards	Won Outstanding Lead Actress for The Dropout in 2022	Two Primetime Emmy nominations in 2022 for Euphoria and The White Lotus
Golden Globe	Won for The Dropout	No Golden Globe win documented in the cited sources
Other Awards Recognition	Multiple critics’ and industry awards and nominations	Gracie Award winner and 2025 Achievement in Acting Award recipient
Marital Status	Separated from Thomas Sadoski; they married in 2017 and have two children	Not married
Spouse / Partner History	Married actor Thomas Sadoski in 2017; separation announced September 2026	Previously engaged to Jonathan Davino
Current Relationship	Current marital status: separated	People reported in September 2026 that she is in a serious relationship with Scooter Braun
Children	Two children with Thomas Sadoski	None publicly reported
Instagram	Public Instagram presence	Public Instagram: @sydney_sweeney
Signature Character	Sophie Sheridan in Mamma Mia! / Elizabeth Holmes in The Dropout	Cassie Howard in Euphoria
Career Span	More than three decades including early modeling and acting work	More than 15 years of professional acting work
Major Career Recognition	Emmy winner, Golden Globe winner, Oscar nominee	Two-time Emmy nominee with additional film and television awards recognition
Career Focus	Film, television, musical performances and producing	Film, television and producing
Family Background	Raised in Pennsylvania by Ann and Jack Seyfried with older sister Jenn	Raised in Washington by Lisa and Steven Sweeney with younger brother Trent
Public Profile	Established international film and television actress with a long-running career	Contemporary film and television actress with a rapidly expanding filmography

Amanda Seyfried and Sydney Sweeney Images

Amanda Seyfried and Sydney Sweeney Instagram