David Fisher/Shutterstock Kristen Stewart and wife Dylan Meyer stepped out together at the Cannes Film Festival to premiere their movieThe Chronology of Wateron Friday, May 16 It marks the newlyweds' first major red-carpet appearance since their April 20 wedding The Chronology of Wateris Stewart's directorial debut, with Meyer as a producer One month after tying the knot,Kristen StewartandDylan Meyerare marking another big milestone. The newlyweds stepped out together at theCannes Film Festivalon Friday, May 16, to celebrate the premiere of their new movieThe Chronology of Water, which is Stewart's directorial debut. Stewart, 35, and Meyer, who is a producer on the film, posed at a photocall alongside starsImogen Poots,Thora Birch,Kim Gordonand others. At one point, amid Stewart giving a talk about the movie at Campari Beach during the French festival, she and her wife were spotted holding hands. Never miss a story — sign up forPEOPLE's free daily newsletterto stay up-to-date on the best of what PEOPLE has to offer, from celebrity news to compelling human-interest stories. Stephane Cardinale - Corbis/Corbis via Getty Stewart and Meyer, 37,wed on April 20in Los Angeles, atMexican restaurant Casita Del Campo. The couple previouslywent public with their relationship in 2019, and latergot engagedin 2021. In addition to close family and friends, guests at the wedding ceremony includedAshley Bensonand her husbandBrandon Davis, who were spotted wearing matching black outfits. Stewart'sLiving for the Deadco-creatorCJ Romerowas also in attendance. Four days after their wedding, Meyershared photos fromthe pair's intimate ceremony in a romanticInstagram post, beginning with a touching photo of Meyer wrapping her arms around Stewart as they gazed into each other's eyes. In the second image, the couple could be seen sharing a sweet kiss. "I do. I really really really really really do," Meyer captioned the post. The PEOPLE Appis now available in the Apple App Store! Download it now for the most binge-worthy celeb content, exclusive video clips, astrology updates and more! P. Lehman/Future Publishing via Getty The Chronology of Wateris an adaptation of authorLidia Yuknvavitch's 2011memoir of the same nameand stars Poots, 35, Birch, 43, Gordon, 72, and Earl Cave, among others. Stewart recently toldThe Hollywood Reporterthat she'shopeful "we crash and burn, but in a way that feels correct," when the movie premieres in France. TheTwilightalum described gettingThe Chronology of Waterinto Cannes as "such a f---ing Hail Mary" and joked that her "head blew off" when she found out the festival had accepted the film into its Un Certain Regard section. "I am not being false humble — we're all running on fumes. I was like, 'We can do it.' I was like an absolute basket case," Stewart admitted of the movie's production. "I'm kind of happy to take on something vulnerable. I'm happy to take something with mistakes. Mistakes are f---ing hot." Read the original article onPeople