Madelaine Petsch reveals 'epic moment' with 'Riverdale' co-star Camila Mendes at the Met Gala (Exclusive)

Madelaine Petsch's first Met Gala experience featured more than a few unforgettable moments, but there was one that was truly "epic" for the "Rivderdale" star.

During an exclusive interview with AOL's Gibson Johns at the launch of M3, her second eyewear collection with Privé Revaux, at The Butterfly Bar in New York City, Petsch shed light on her "dream" of a night at the invite-only soirée, and how comforting it was to have fellow "Riverdale" stars Cole Sprouse, Lili Reinhart, Camila Mendes and Charles Melton there, too.

"In the beginning, I didn’t see anybody from the cast, and then the trumpets start playing to be called into dinner, and I knew Cami was wearing a yellow dress because I had seen a sketch of it, and I looked over and I see her and we both ran to each other and embraced in this epic moment," she said with a smile. "It's so great to be around people who you love and genuinely want to see you succeed."

SEE ALSO: All of the stars who were at the 2019 Met Gala

Petsch attended the event as a guest of YouTube, which also brought the likes of James Charles, Derek Blasberg and Lilly Singh, none of whom she had ever met before, despite having her own growing channel on the video sharing platform. For the actress, 24, it was a nice balance having a new group of people to hang out with, while also being able to lean on her co-stars.

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'Riverdale' star Madelaine Petsch
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'Riverdale' star Madelaine Petsch
NEW YORK, NEW YORK - MAY 09: Madelaine Petsch attends the launch of M3, her second capsule collection with Privé Revaux at The Butterfly Bar on May 09, 2019 in New York City. (Photo by Cindy Ord/Getty Images for Privé Revaux)
NEW YORK, NEW YORK - MAY 09: Madelaine Petsch enjoys the launch of M3, her second capsule collection with Privé Revaux at The Butterfly Bar on May 09, 2019 in New York City. (Photo by Cindy Ord/Getty Images for Privé Revaux)
NEW YORK, NY - MAY 08: Madelaine Petsch leaves the Louis Vuitton Cruise 2020 Fashion Show at JFK Airport on May 8, 2019 in New York City. (Photo by James Devaney/GC Images)
NEW YORK, NY - MAY 07: Actres Madelaine Petsch is seen outside good morning america on May 7, 2019 in New York City. (Photo by Raymond Hall/GC Images)
NEW YORK, NY - MAY 6: Madelaine Petsch attends The Metropolitan Museum Of Art's 2019 Costume Institute Benefit "Camp: Notes On Fashion" at Metropolitan Museum of Art on May 6, 2019 in New York City. (Photo by Sean Zanni/Patrick McMullan via Getty Images)
Madelaine Petsch attending the Metropolitan Museum of Art Costume Institute Benefit Gala 2019 in New York, USA. (Photo by Jennifer Graylock/PA Images via Getty Images)
US actress Madelaine Petsch arrives for the 2019 Met Gala at the Metropolitan Museum of Art on May 6, 2019, in New York. - The Gala raises money for the Metropolitan Museum of Arts Costume Institute. The Gala's 2019 theme is Camp: Notes on Fashion" inspired by Susan Sontag's 1964 essay "Notes on Camp". (Photo by ANGELA WEISS / AFP) (Photo credit should read ANGELA WEISS/AFP/Getty Images)
Actress Madelaine Petsch attends the 2019 Vanity Fair Oscar Party following the 91st Academy Awards at The Wallis Annenberg Center for the Performing Arts in Beverly Hills on February 24, 2019. (Photo by Jean-Baptiste LACROIX / AFP) (Photo credit should read JEAN-BAPTISTE LACROIX/AFP/Getty Images)
VANCOUVER, BRITISH COLUMBIA - MARCH 03: Actress Madelaine Petsch speaks on stage during day 3 of Fan Expo Vancouver at Vancouver Convention Centre on March 03, 2019 in Vancouver, Canada. (Photo by Andrew Chin/Getty Images)
BEVERLY HILLS, CA - FEBRUARY 24: Madelaine Petsch attends the 2019 Vanity Fair Oscar Party hosted by Radhika Jones at Wallis Annenberg Center for the Performing Arts on February 24, 2019 in Beverly Hills, California. (Photo by Jon Kopaloff/WireImage)
BEVERLY HILLS, CA - FEBRUARY 22: Madelaine Petsch attends the 12th Annual Women In Film Oscar Party at Spring Place on February 22, 2019 in Beverly Hills, California. (Photo by Gregg DeGuire/FilmMagic)
BEVERLY HILLS, CALIFORNIA - DECEMBER 06: Actress Madelaine Petsch attends the 2018 GQ Men Of The Year party at Benedict Estate on December 06, 2018 in Beverly Hills, California. (Photo by Paul Archuleta/FilmMagic,)
BEVERLY HILLS, CA - DECEMBER 06: (L-R) Marisol Nichols, Camila Mendes, and Madelaine Petsch attend the 2018 GQ Men of the Year Party at a private residence on December 6, 2018 in Beverly Hills, California. (Photo by Matt Winkelmeyer/Getty Images for GQ)
WESTWOOD, CALIFORNIA - DECEMBER 01: Actress Madelaine Petsch attends the world premiere of Sony Pictures Animation and Marvel's "Spider-Man: Into The Spider-Verse" at The Regency Village Theatre on December 01, 2018 in Westwood, California. (Photo by Paul Archuleta/FilmMagic)
HOLLYWOOD, CA - OCTOBER 19: Actress Madelaine Petsch attends the premiere of Netflix's "Chilling Adventures Of Sabrina" at the Hollywood Athletic Club on October 19, 2018 in Hollywood, California. (Photo by Paul Archuleta/FilmMagic)
MILAN, ITALY - SEPTEMBER 20: Madelaine Petsch attends Prada Spring/Summer 2019 Womenswear Fashion Show on September 20, 2018 in Milan, Italy. (Photo by Vittorio Zunino Celotto/Getty Images for Prada)
LOS ANGELES, CA - SEPTEMBER 17: Madelaine Petsch attends the 70th Emmy Awards at Microsoft Theater on September 17, 2018 in Los Angeles, California. (Photo by Neilson Barnard/Getty Images)
LOS ANGELES, CA - SEPTEMBER 16: Madelaine Petsch attends Glamour x Tory Burch Women To Watch Lunch on September 16, 2018 in Los Angeles, California. (Photo by Emma McIntyre/Getty Images for Glamour x Tory Burch )
US actress Madelaine Petsch attends the Teen Choice Awards 2018 in Los Angeles, California, on August 12, 2018. (Photo by LISA O'CONNOR / AFP) (Photo credit should read LISA O'CONNOR/AFP/Getty Images)
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"It was kind of perfect. I didn’t actually know anybody from YouTube -- I just met them all for the first time," Petsch explained to AOL. "I have a channel, but I haven’t really collaborated with many creators yet. The whole ['Riverdale'] cast was there, though, and they all came to sit at my table. It was really fun. YouTubers are all really lovely and bubbly and vivacious."

Overall, Petsch called her first Met Gala a "wonderful experience," despite the fact that she questioned whether or not she deserved to be there in the first place.

"I was very nervous because I was like, 'Do I belong? Am I going to be accepted?' It’s a huge fashion event and to go on my third year on a television show is an incredible honor that I never expected," she gushed. "Going there I had all of these trepidations, but then they all disappeared when I showed up. Everyone was so lovely, it was obviously so well-organized, the fashion was to die-for."

Another person who caught Petsch's eye at the exclusive party was Jamie Foxx, who showed up wearing a pair of The Underdog sunglasses from Privé Revaux, for which he is a major investor. It was a fun nod to the brand that Petsch has worked with now on two collections of sunglasses, which she called "a natural collaboration."

SEE ALSO: Jamie Foxx and Katie Holmes pose together for the first time at the 2019 Met Gala

"I was the girl who, before I was on the show, I had 100 pairs of really sh--ty sunglasses that were all fun for different moods, but then you lose them," she explained to us. "That's why I like the affordable glasses route, because if you lose them, you don’t get too sad about them. Whereas, when you’re dropping $400 on a pair of sunglasses, you freak out. They’re the fashion accessory that is the most interchangeable, and it’s a way to make an outfit look chic and put together even, if it’s not."

For her new M3 collection, Petsch said she spent about three months coming up with direction she wanted to go in, which ultimately resulted in three frames: Monroe, Matrix and Mads.

Check out the M3 Privé Revaux x Madelaine collection, launching on May 27, here.

11 PHOTOS
Katie Holmes and Jamie Foxx together
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Katie Holmes and Jamie Foxx together
NEW YORK, NEW YORK - MAY 06: Katie Holmes and Jamie Foxx attend The 2019 Met Gala Celebrating Camp: Notes on Fashion at Metropolitan Museum of Art on May 06, 2019 in New York City. (Photo by Kevin Tachman/MG19/Getty Images for The Met Museum/Vogue)
NEW YORK, NEW YORK - MAY 06: (L-R) Katie Holmes, Jamie Foxx and Cardi B attend The 2019 Met Gala Celebrating Camp: Notes on Fashion at Metropolitan Museum of Art on May 06, 2019 in New York City. (Photo by Kevin Tachman/MG19/Getty Images for The Met Museum/Vogue)
NEW YORK, NEW YORK - MAY 06: Jourdan Dunn, Zac Posen, Katie Holmes, Nina Dobrev, Julia Garner, Gia Coppola, Andrew Garfield, Vito Schnabel, and Jamie Foxx attend The 2019 Met Gala Celebrating Camp: Notes on Fashion at Metropolitan Museum of Art on May 06, 2019 in New York City. (Photo by Mike Coppola/MG19/Getty Images for The Met Museum/Vogue )
NEW YORK, NEW YORK - MAY 06: Jamie Foxx, Andrew Garfield, Jourdan Dunn, Julia Garner, Nina Dobrev, Vito Schnabel, Gia Coppola, Katie Holmes and Zac Posen attend The 2019 Met Gala Celebrating Camp: Notes on Fashion at Metropolitan Museum of Art on May 06, 2019 in New York City. (Photo by Jamie McCarthy/Getty Images)
NEW YORK, NY - JANUARY 27: Actors Katie Holmes (L) and Jamie Foxx attend the Clive Davis and Recording Academy Pre-GRAMMY Gala and GRAMMY Salute to Industry Icons Honoring Jay-Z on January 27, 2018 in New York City. (Photo by Lester Cohen/Getty Images for NARAS)
NEW YORK, NY - JANUARY 27: Actors Katie Holmes (L) and Jamie Foxx attend the Clive Davis and Recording Academy Pre-GRAMMY Gala and GRAMMY Salute to Industry Icons Honoring Jay-Z on January 27, 2018 in New York City. (Photo by Kevin Mazur/Getty Images for NARAS)
NEW YORK, NY - JANUARY 27: Actors Katie Holmes (L) and Jamie Foxx attend the Clive Davis and Recording Academy Pre-GRAMMY Gala and GRAMMY Salute to Industry Icons Honoring Jay-Z on January 27, 2018 in New York City. (Photo by Kevin Mazur/Getty Images for NARAS)
NEW YORK, NY - JANUARY 27: Katie Holmes and Jamie Foxx attend the Clive Davis and Recording Academy Pre-GRAMMY Gala and GRAMMY Salute to Industry Icons Honoring Jay-Z on January 27, 2018 in New York City. (Photo by Kevin Mazur/Getty Images for NARAS)
NEW YORK, NY - JANUARY 27: Actors Katie Holmes (L) and Jamie Foxx attend the Clive Davis and Recording Academy Pre-GRAMMY Gala and GRAMMY Salute to Industry Icons Honoring Jay-Z on January 27, 2018 in New York City. (Photo by Kevin Mazur/Getty Images for NARAS)
LANDOVER, MD - SEPTEMBER 11: Tom Cruise, Katie Holmes and Jamie Foxx stand on the field before a game between the Minnesota Vikings and the Washington Redskins during the first Monday Night Football game of the season on September 11, 2006 at FedEx Field in Landover, Maryland. (Photo by Win McNamee/Getty Images)
Actors Jamie Foxx (L), Tom Cruise (C) and Katie Holmes talk on the Washington Redskins sidelines before the Monday Night Football game against the Minnesota Vikings in Landover, Maryland September 11, 2006. REUTERS/Gary Cameron (UNITED STATES)
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