Young Hollywood star Mason Thames recently shared exclusive details about how he celebrated his 18th birthday with his “Regretting You” co-star, Mckenna Grace, and his family. The actor revealed that he spent his milestone birthday in Texas with Grace and his loved ones, marking a special moment in his life. Thames, who turned 18 in July, opened up about the birthday celebrations during a recent interview at Variety’s 2025 Power of Young Hollywood event in Beverly Hills.
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According to Thames, spending time with Grace in Texas was a memorable and enjoyable experience. He described Grace as “funny” and “a nice person” who easily gels with everyone she meets. The pair, who play leading roles in the upcoming film adaptation of Colleen Hoover’s novel “Regretting You,” have not only shared the big screen but have also been spotted together off-screen, sparking romance rumors earlier this year.

In discussing their shared work on the movie, Thames had nothing but praise for Grace’s dedication and talent. He commended her work ethic, describing her as a “star” and a “warrior” who pushes herself to excel every day. Thames expressed admiration for Grace’s approach to her craft, highlighting her commitment to her role and the motivation he draws from her professionalism.
“Regretting You” follows the story of Clara (played by Grace), a teenager facing significant upheaval following a family tragedy. Thames portrays Miller, a character who becomes entangled in Clara’s life as she navigates grief and complex family dynamics. The film, directed by Josh Boone and also starring Scott Eastwood and Dave Franco, offers a poignant exploration of love, loss, and resilience.
Beyond their on-screen chemistry, Thames and Grace’s real-life friendship has added depth to their professional collaboration. Thames spoke fondly of Grace’s interactions with his family and friends during their time in Texas, emphasizing her ability to connect with those around her. Grace’s background growing up in Texas before pursuing acting in Los Angeles added a personal touch to their shared experiences during Thames’ birthday celebrations.
As Thames continues to make his mark in Hollywood, with standout roles in films like “The Black Phone,” “Monster Summer,” and the upcoming “Regretting You” adaptation, his partnership with Grace promises to captivate audiences and showcase their exceptional talents. With the movie set to hit theaters in October, fans can look forward to witnessing their on-screen chemistry and the emotional resonance they bring to their characters.
Overall, Mason Thames’ 18th birthday celebration with Mckenna Grace and loved ones served as a meaningful moment of joy and camaraderie, reflecting the close bonds that can form both on and off the screen in the world of entertainment. As they embark on their respective careers in the industry, Thames and Grace’s partnership exemplifies the power of collaboration and shared creativity in crafting compelling stories for audiences to enjoy.
