What To Know About Matt Damon's Model Daughter, Isabella Damon

Isabella Damon, 20, is stepping into her own spotlight — and, notably, not the one her father built his career in. Born June 11, 2006, she's the eldest of Matt Damon and wife Luciana Barroso's three biological daughters, with younger sisters Gia, 17, and Stella, 15, and an older stepsister, Alexia Barroso, 27, whom Damon adopted shortly after marrying Luciana in 2005.

She just signed with IMG Models

Page Six first reported the signing on August 10, and IMG's own New York directory now lists Isabella directly, with a published portfolio of digital photos. Her profile lists her at 5-foot-8 with a size 9 shoe, and her initial digitals show her in a simple model-off-duty look — low-rise jeans and a black tank top.

The agency's roster includes Gigi Hadid, Hailey Bieber, Karlie Kloss, and Bella Hadid, along with a growing list of fellow celebrity offspring such as Iris Law, Kai Schreiber, and Leni Klum.

She's balancing modelling with college

Isabella is enrolled at New York University, per People.

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Before the IMG news broke, Isabella modeled in a March 2026 fashion shoot photographed by her older sister Alexia, who shared the images — including one of Isabella in a white fur coat over a black dress — on Instagram, per People. Alexia has built her own career behind the camera as a photographer and videographer, including work in the camera department on Matt Damon and Ben Affleck's 2024 film The Instigators.

She and her father have a famously teasing relationship

Damon has said Isabella is one of his toughest critics — she reportedly prefers to watch his movies specifically when the reviews are bad, so she has more ammunition to rib him with, a dynamic he's discussed on Late Night with Seth Meyers.

She largely stayed out of the spotlight until recently

Isabella has made select red carpet appearances with her family over the years, including the July 2026 premiere of The Odyssey at AMC Lincoln Square, where she wore a black midi dress with a lace-trimmed neckline alongside her parents.

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No confirmed acting plans — yet

Isabella's IMG signing points toward fashion rather than film, at least for now. Damon has previously described his daughter as strong-willed and funny, and has joked in interviews about how opinionated she can be — including, according to one report, a devoted love of Harry Styles.