Lifestyle Style Then and Wow! See Lindsay Lohan at the Mean Girls Premiere as a Teen — and 20 Years Later at 37! The actress, 37, made a surprise appearance at the 'Mean Girls' movie musical premiere in New York City on Monday By Escher Walcott Escher Walcott Escher Walcott is a Writer/Reporter at PEOPLE, covering stories in Entertainment, Style, Human Interest.She joins having written for several popular news publications, including Glamour, Refinery29, NYLON and Evening Standard, discussing the latest fashion trends, pop culture news, and pressing social matters. People Editorial Guidelines Published on January 9, 2024 02:34PM EST Close Lindsay Lohan. Photo: Paul Hawthorne/Getty Images; Kristina Bumphrey/Variety via Getty Images Lindsay Lohan is back on theMean Girls red carpet! Lohan, 37, made a surprise appearance at the premiere of the new Mean Girls film on Monday night — 20 years after the premiere of the 2004 film in which she starred and the musical is based — marking a full-circle moment for the new mom. The actress, who played teen Cady Heron in the iconic movie, hit the red carpet at the New York City premiere dressed to impress in a black cut-out Alexandre Vauthier design with an embellished crystal belt, teamed with Giuseppe Zanotti ankle-strap heels and Melis Goral jewelry. Lohan’s hair was styled in relaxed, side-sept waves (get the full breakdown here) as she also sported pink lipstick and rosy blush. Lohan, 37, attended the New York City premiere of 'Mean Girls' on Monday. Kristina Bumphrey/Variety via Getty Images Lindsay Lohan Says She 'Hopes' to Be a Cool Mom to Son Luai at Mean Girls Premiere (Exclusive) At the N.Y.C. premiere of the original film 20 years ago, the then 17-year-old star stepped out in a look that was trending huge in the early aughts - a babydoll dress — and she likely had teens running to the mall to recreate her outfit. Lohan wore a plunging white dress with a ribbon sash paired with white strappy sandals and bright pink lip gloss. Lohan pictured at the 2004 N.Y.C premiere of the original film. Theo Wargo/WireImage Lohan opted for more color at the 2004 Hollywood premiere of the film as she wore a bold blue dress — also with a tie waist — teamed with with silver strappy heels. Never miss a story — sign up for PEOPLE's free daily newsletter to stay up-to-date on the best of what PEOPLE has to offer, from celebrity news to compelling human interest stories. Lohan at the Hollywood premiere of 'Mean Girls' in 2004. SGranitz/WireImage Lohan’s appearance at Monday’s premiere comes months after the actress reunited with her Mean Girls costars Lacey Chabert and Amanda Seyfried to film a Black Friday commercial for Walmart. Speaking to PEOPLE at the premiere on Monday, Lohan — who became a new mom last year after welcoming 5-month-old son Luai — shared whether or not she thinks she’s a “cool mom.” "I hope so!" she responded on the carpet. Mean Girls Premieres in N.Y.C.: See All the Stars on the Red Carpet On the carpet, Lohan took photos with Saturday Night Live creator Lorne Michaels and Tina Fey, who co-wrote the new Mean Girls film. Fey, 53, also wrote and starred in the 2004 film alongside Lohan in her role as teacher Ms. Norbury. The Mean Girls movie musical follows Angourie Rice as Cady Heron and Sex Lives of College Girls star Renée Rapp, who returns in her Broadway role as Regina George, played originally by Rachel McAdams. Mean Girls is released in theaters on Jan. 12.