Entertainment TV Riverdale's Camila Mendes Confirms Relationship with Grayson Vaughan and Goes Instagram Official Camila Mendes previously dated her Riverdale costar Charles Melton for a year By Gabrielle Chung Published on September 3, 2020 06:38 PM Share Tweet Pin Email Trending Videos Camila Mendes and Grayson Vaughan. Photo: Camila Mendes/Instagram. Inset: Gregg DeGuire/FilmMagic Camila Mendes has confirmed her relationship with Grayson Vaughan. The Riverdale star, 26, went Instagram official with Vaughan on Thursday, sharing a picture of the two of them embracing in front of a private jet. In the shot, the couple appear to be sharing a kiss with Vaughan's back turned toward the camera. "that long distance kind of love," Mendes captioned the shot, tagging her beau's Instagram account. Meet the New Celebrity Couples of 2020 The actress' comments section was quickly flooded with messages, with Mendes' Riverdale castmate Madelaine Petsch writing, "i’m not crying!!!! You are!!!! 🥺" "FINALLY PUBLIC," Tommy Dorfman remarked, while his 13 Reasons Why costar Katherine Langford wrote, "Happy for you 🥰." "Vibesss" Lana Condor quipped. Prior to Vaughan, Mendes was previously linked to Riverdale costar Charles Melton. They dated for more than a year before reports surfaced in December that they were taking a break in their relationship. Mendes, who stars as Veronica Lodge on The CW show, and Melton, who plays Reggie Mantle in the series, first confirmed their romance in October 2018 with a PDA-filled Instagram post. Camila Mendes and Charles Melton. Stefanie Keenan/Getty Images Who Is Madelaine Petsch Dating? Inside the Not-So-Secret Love Lives of the Riverdale Cast In May 2019, Mendes opened up about her romance with Melton telling Entertainment Tonight at the premiere of his film A Sun Is Also a Star that "[h]e does [write me love letters]." "He’s a hopeless romantic, for sure,” she said at the time. Melton further explained the sweet gesture during an episode of PEOPLE Now that same month, saying, “It’s just the simple things, you can just say something like ‘I’m thinking about you.’ ” “There’s just something special about writing it, folding it up and putting it into the envelope and finding a stamp,” Melton said.