Lindsay Lohan Shows Off Engagement Ring at Duran Duran Concert -- See the Pics!

The 'Mean Girls' star flashed her shiny new sparkler at the band's show at the Barclays Center in New York City on Tuesday.

Lindsay Lohan, who got engaged to Russian business heir Egor Tarabasov over the weekend, showed off a shiny new sparkler during a Duran Duran concert in New York on Tuesday.

The 29-year-old actress attended the band's performance at the Barclays Center in Brooklyn, where she was joined by her parents, Dina and Michael Lohan, as well as her younger sister, Ali.

WATCH: Lindsay Lohan Engaged to Russian Business Heir Egor Tarabasov

The Mean Girls star's stunning green ring, which she rocked on the all-important ring finger, shined bright alongside her sparkling, tassel-covered white jumpsuit with a plunging neckline.

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During the concert, Duran Duran brought Lindsay on stage to perform her spoken word portion of their 2015 single "Dancephobia," off their recent album, Paper Gods.

Lindsay was all smiles in the pic she shared to Instagram commemorating the event, in which her sizable new ring stands out vibrantly.

WATCH: Duran Duran Dishes on Lindsay Lohan Collaboration

Lindsay and her 22-year-old fiancé have been dating for less than a year, and the actress only confirmed their relationship in March, gushing to The Sun, "I do have a boyfriend and he is a great guy."

According to her mom, the entire family is already enamored with the Russian entrepreneur.

Dina told ET in March, "We love him. He is a sweetheart." Check out the video below for more on the star's recent engagement.