Mason Thames’s career is charging ahead at full speed – he is winning audiences with every performance. Yet behind the spotlight, he chooses a far more guarded approach to his personal life.
While Thames and Mckenna Grace have yet to confirm their romantic relationship officially, it’s hard to ignore the unmistakable close bond they share. Their easy affection, genuine warmth, and undeniable camaraderie seem to stretch far beyond what’s typical of on-screen partners. From their natural chemistry to their frequent public appearances, they’ve given fans plenty to talk about.
For now, their connection remains unlabelled, but it’s compelling enough to keep audiences watching closely, convinced there may be more beneath the surface. Here’s a closer look at the heartfelt relationship timeline of Mason Thames and his girlfriend, Mckenna Grace.
Mason and Mckenna Have Been Allegedly Dating Since 2025
The pair first crossed paths with each other in Atlanta ahead of filming while heading out to see Deadpool & Wolverine—and from that very first meeting, they began to form a chemistry. After their chemistry grew, Mason and Mckenna began to hang out, reinforcing their close friendship.
Afterward, Grace shared a playful TikTok video on April 7, 2025, which featured the Young Sheldon actress and Thames reenacting a kissing scene. In the same month, the duo was also seen side by side at a Miami Heat vs. Atlanta Hawks basketball match.
That’s not all, Grace later shared photos with Thames on Instagram, a subtle yet telling move that strengthened their close bond. Subsequently, on 14 June 2025, they were also seen holding hands while walking in SoHo, New York City.
Mason celebrated his 18th birthday with Grace in Texas, enjoying himself alongside friends and family. He later praised her personality for how effortlessly she blended into his inner circle, reinforcing just how close their connection had become.
The Couple Play Love Interests In Regretting You
Grace and Thames made a striking first impression as co-stars when they appeared together at a Netflix Incoming House Party event following the announcement of their roles in Regretting You, marking their very first red-carpet moment together.
From their very first scenes together, Mason and Mckenna’s characters share playful banter that immediately establishes a natural rapport. Their interactions feel effortless, drawing the audience into their growing connection and hinting at the deeper emotional bond to come.
According to ABC News, Mckenna expressed her enthusiasm for being part of Regretting You, saying:
I’m jazzed. I play Clara, and I’m so excited, because a really good friend of mine, Mason Thames, is playing Miller. And you know, it’s a love story, but it’s also about a mother and a daughter and the way that they’re dealing with their grief.
Similarly, in a June 2025 interview with Seventeen, Mason also briefly opened up about Grace, sharing:
She is one of the most driven people I’ve ever met in my life. Every day I’m on set with her, I just want to be as good as Mckenna. She’s such a sweet person, and getting to do this movie with her is so cool.
As the story progresses, their characters navigate challenges and misunderstandings that test their trust and patience, showing a chemistry that feels authentic and compelling, making their budding romance both relatable and captivating.
In the film’s pivotal moments, Mason and McKenna’s characters confront their feelings openly. Afterward, the raw vulnerability in these scenes shows the depth of their connection, turning what began as playful interactions into a sincere emotional attachment that resonates strongly with the audience.
In the finale, their relationship has evolved into a tender, supportive partnership. The on-screen and off-screen dynamics of Mason Thames and McKenna Grace in the movie Regretting You showcase their undeniable chemistry.
Thames Is A Year Younger Than Mckenna
Mason Thames was born on July 10, 2007, in Dallas, Texas, while his alleged girlfriend was born a year earlier on June 25, 2006, in Grapevine, Texas. They lived only 29 miles away from each other.
The 18-year-old actor has mentioned in interviews that his family has been very supportive of his acting career. They have helped him balance school and work. He also has a sister named Brooke Madison Thames, who is a professional ballerina.
On the other hand, Mason Thames girlfriend Mckenna moved to Los Angeles at the age of five. The daughter of Ross Burge and Crystal Grace began her acting journey the same year, quickly rising to fame with standout roles in Crash & Bernstein, Gifted, I, Tonya, Captain Marvel, Ghostbusters, and Regretting You. Beyond the screen, she’s also a talented singer, showcasing her versatility with a recording contract under Photo Finish Records.
Mckenna’s Resemblance To Thames On-Screen Girlfriend
Mckenna’s resemblance to Astrid Hofferson from How to Train Your Dragon feels undeniably convincing. With her sharp features, striking blue eyes, and natural blonde appearance, Mckenna mirrors Astrid’s iconic look almost effortlessly. Yet the resemblance goes far beyond visuals; it’s her commanding presence that truly seals the connection, as both radiate strength, confidence, and a subtle emotional depth that instantly draws attention.
Much like Astrid, Mckenna consistently portrays characters who are fearless, resilient, and deeply grounded. This powerful blend makes the comparison feel natural rather than forced.
Mckenna Was Previously Linked To Ethan Tremblay
Mckenna Grace’s relationships have increasingly captured public interest as her road to stardom rises in Hollywood. Over the years, Mckenna has been rumored to be connected to fellow actors such as Emmett Dorfman and Jacob Tremblay, though she has never publicly confirmed any of these relationships.
Additionally, Mckenna has explained in interviews that she largely keeps her personal life private, prioritizing her career over discussing past relationships.
