[6] She began her career as a fashion model, working for Diane von Fürstenberg, Heatherette, Agent Provocateur and Stella McCartney.

"[17] At 17, she moved to New York City for one year to work as a fashion model, appearing on the magazine cover of Teen Vogue[18] and walking the runway for Diane von Fürstenberg.

[18] She launched a swimwear collection, D'Amore by Marceau, which debuted at Los Angeles Fashion Week in October 2008.

[21] In September 2019, she walked the runway for Kyle Richards' and Shahida Clayton's new clothing brand at New York Fashion Week, which was documented on the reality show The Real Housewives of Beverly Hills.

[27] In 2018, she was an opening act for Diplo at Sundance Film Festival, performed a Today show residency and worked as a DJ at one of Coachella's parties.

[28][29][30] In March 2019, D'amore was hired to DJ alongside Ireland Baldwin for Norah restaurant's third anniversary in West Hollywood.

[11] She portrayed Brooke on the fifth season of HBO series Entourage, in the episode "Unlike a Virgin" and played Rachel in the drama film Daydreamer (2007) alongside Aaron Paul and Arielle Kebbel.

She played Maggie, younger sister of Audrina Patridge's character Megan, in the 2009 horror film Sorority Row and subsequently appeared in the music video for the promotional track "Get U Home" by Shwayze.

In April 2023, D'Amore announced via Instagram that she is competing on Fox's new series, Gordon Ramsay's Food Stars, which premiered on May 24, 2023.

[28] In March 2018, D'Amore and her father appeared in an episode of Hallmark Channel's morning talk show Home & Family, and cooked their famous pizza.

[46] D'Amore first gained media attention as a Los Angeles “It girl," when she became a notable fixture in the late-night circuit and was often seen attending events with socialite Paris Hilton.

Over the course of her career, the 23-year-old has walked hundreds of runway shows in this town – sometimes up to 14 a week –and left an impression that’s hard to ignore.

D'Amore was often photographed with fellow socialites Kim and Kourtney Kardashian, Kimberly Stewart, Nicole Richie and Nicky Hilton.

Drinks are often on the house and I've lived a fabulous life so far," she said in an episode of MTV's reality show My Super Sweet World Class in 2011.

She has shared posts and videos on social media in support of the Jewish community, saying, "If you’re one of these people ripping off posters and spewing hate, you need to take a really good look at yourself and ask yourself, why would you ever do that?

"[55][56] She married punk band Street Drum Corps' singer Bobby Alt in Malibu on August 5, 2012,[57] but the couple has since divorced.

[2] D'Amore walked the runway holding her daughter at the Shahida Parides Fall/Winter 2017 Collection show at Pacific Design Center in 2017.