Hey, you! If you’re a Formula 1 fan, you’ve probably wondered about the personal life of Carlos Sainz, the smooth-talking Spanish driver who’s been tearing up the track. Specifically, who’s the girlfriend cheering him on from the paddock? Let’s get straight to the point with the latest on Carlos Sainz’s love life, keeping it real, respectful, and packed with the details you’re curious about.
Who is Carlos Sainz Girlfriend in 2025?
Carlos Sainz’s girlfriend is Scottish model Rebecca Donaldson. They’ve been together since mid-2023, first spotted strolling hand-in-hand in Milan. Their relationship has grown stronger, with Rebecca becoming a familiar face at Grand Prix races, supporting Carlos through wins and setbacks.
The couple keeps things low-key, but their bond is clear. Rebecca was by Carlos’s side during his 2024 appendicitis recovery and celebrated his 2024 Mexican Grand Prix victory. Fans love their chemistry, often spotting sweet moments like their congratulatory kiss after the 2024 Australian Grand Prix. They haven’t spilled much publicly, but Carlos’s playful comment about marrying Rebecca in Vegas during a 2023 chat with Charles Leclerc hints at something serious.
Who Is Rebecca Donaldson?
Rebecca Donaldson, born July 24, 1995, is a 29-year-old Scottish model and entrepreneur based in London. She kicked off her modeling career at 17 after winning a beauty pageant, later gracing covers for Vogue, Marie Claire, and ELLE. At 5 feet 9 inches, her runway presence is undeniable, and she’s walked for brands like Dior, as seen at their Fall 2025 Kyoto event.
Beyond modeling, Rebecca’s a businesswoman with grit. In 2020, she launched Muse Activewear, a minimalist athleisure brand born during lockdown. She told Vestd in 2021 she wanted affordable, quality gym wear that doubles as everyday fashion—a dream she turned into reality. Her Instagram, @iamrebeccad, with nearly 175,000 followers, showcases her modeling gigs, travels, and subtle nods to Carlos.
How Did Carlos and Rebecca Meet?
The spark between Carlos Sainz and Rebecca Donaldson ignited in mid-2023. A viral video of them walking together in Milan that June set F1 fans buzzing. By the summer break, photos from a Corsica, France, vacation—featuring matching poolside backdrops on their Instagrams—fueled the rumors.
Their first public paddock appearance came later that year at the Mexican Grand Prix, where Rebecca’s hug and kiss for Carlos stole the show. Since then, she’s been a regular at races, from Las Vegas to Monaco, cheering him on. Their Milan meet-cute feels like a rom-com moment, but their shared moments trackside show a partnership built on support.
What About Carlos Sainz and Isa Hernáez?
Are Isa and Carlos still together? No, Carlos Sainz and Isa Hernáez broke up in June 2023. They dated for nearly seven years, keeping their relationship private despite Isa’s presence at races. Their split was confirmed by Isa in a Hola! interview, where she wished Carlos well, citing professional commitments as a factor.
Isa, born February 24, 1995, is a Madrid-based bilingual journalist with a passion for fashion and cooking. She’s worked as a press officer for Scalpers and shares her style on social media. Post-breakup, she’s moved on with businessman Santiago Isla, focusing on her career while staying out of the F1 spotlight.
Does Carlos Sainz Have a Child?
No, Carlos Sainz does not have any children. His focus remains on racing and his relationship with Rebecca, with no public mention of starting a family yet.
Speculation about kids pops up among fans, especially after Carlos’s father, Carlos Sainz Sr., spoke about his son’s future wedding plans in 2025, emphasizing careful consideration before marriage. For now, Carlos seems content balancing his career and romance, leaving family plans for the future.
What’s the Deal with Rebecca’s Past Relationships?
Rebecca Donaldson’s dating history has sparked some chatter. Before Carlos, she was briefly linked to Scott Disick, Kourtney Kardashian’s ex, in 2022. They made a red-carpet splash at Hulu’s The Kardashians premiere but split weeks later.
There’s no truth to rumors tying Rebecca to Leonardo DiCaprio. Her name surfaced in gossip circles, but no evidence supports a connection. Rebecca’s focus since mid-2023 has been Carlos, and their public appearances together squash any wild speculation.
How Does Rebecca Fit into Carlos’s World?
Rebecca Donaldson isn’t just a trackside cheerleader; she’s woven into Carlos’s life off the grid. His family, including sisters Ana and Blanca and mom Reyes, showed up to support her at Madrid Fashion Week in February 2024. This warm embrace from the Sainz clan signals she’s more than a passing fling.
Carlos, born September 1, 1994, and Rebecca, a year older, share a jet-setting lifestyle. He splits time between Madrid, London, and Monaco, where he owns homes, while she’s based in London but travels for modeling. Their ability to sync schedules—her at fashion events, him at races—shows a partnership that clicks.
What Do Carlos Sainz’s Sisters Do?
Ana and Blanca Sainz Vázquez are private figures but close to their brother. Ana, the younger sister, is studying law and often shares family moments on Instagram, while Blanca works in finance and keeps a lower profile.
Both sisters have supported Carlos at races and Rebecca at fashion events, showing the tight-knit Sainz family bond. Carlos has praised their support on Instagram, calling them his rock alongside their mom, Reyes. Their careers keep them out of the public eye, but their presence in Carlos’s life is undeniable.
How’s Rebecca Connected to Other F1 Girlfriends?
Rebecca’s not just Carlos’s girlfriend; she’s part of the F1 paddock’s social scene. She’s tight with Alexandra Saint Mleux, Charles Leclerc’s partner, often liking her Instagram posts or dropping love emojis. In March 2025, Rebecca commented a sweet four-word reaction on Carmen Montero Mundt’s post, George Russell’s girlfriend, showing camaraderie among the WAGs.
These connections highlight the F1 community’s tight-knit vibe. Even after Carlos moved from Ferrari to Williams in 2025, Rebecca’s friendships with other drivers’ partners stayed strong. Her warmth and support extend beyond Carlos, making her a fan favorite.
What’s the Latest on Carlos and Rebecca in 2025?
As of May 2025, Carlos and Rebecca are going strong. She was spotted with him at the Miami Grand Prix, hand-in-hand, cheering despite his tough race. Posts on social media from fans captured their arrival, with Rebecca rocking a chic look and Carlos focused on the track.
Rebecca’s Instagram lights up with her modeling work, like her Dior Kyoto post, but she keeps Carlos mentions subtle—think heart emojis under his posts. Carlos, now 30, is navigating a tricky start at Williams, with a P10 finish in China and a grid penalty in Bahrain. Rebecca’s support, from Melbourne to Miami, is a constant through his career shifts.
Why Do Fans Care So Much?
Carlos Sainz’s girlfriend draws attention because he’s more than a driver—he’s a personality. His charm, from singing over team radio to chasing down a thief who stole his watch in Milan in 2023, makes fans crave a peek into his life. Rebecca, with her own success and style, adds to the intrigue.
Fans connect with Carlos’s human side—his family ties, his resilience after Ferrari replaced him with Lewis Hamilton in 2025, and his romance with Rebecca. Social media buzz, like posts calling them a “yuri couple” or joking “that should be me,” shows how invested fans are. It’s not just about racing; it’s about the man behind the helmet.
How Do Carlos and Rebecca Handle the Spotlight?
Carlos and Rebecca play it cool under pressure. They don’t post couple selfies or confirm their status on social media, but their actions—holding hands in Madrid, kissing trackside—speak louder. Carlos’s quip about a “trick question” when asked about marriage shows he’s got a sense of humor about the scrutiny.
Rebecca, used to the fashion world’s glare, balances her career and relationship with grace. Her Muse Activewear brand and modeling gigs keep her busy, but she’s at Carlos’s races whenever possible. Their discretion aligns with Carlos’s past approach with Isa, proving he values privacy without shutting fans out completely.
What’s Next for Carlos and Rebecca?
Looking ahead, Carlos is locked in with Williams until 2026, focusing on climbing the F1 ranks alongside teammate Alex Albon. Rebecca’s modeling career is soaring, with recent appearances for Dior and her brand gaining traction. Their shared ambition—his on the track, hers in fashion—suggests a power couple in the making.
Will wedding bells ring, as Carlos’s dad hinted? Maybe not yet, but their steady presence together at races and family events points to a deep bond. Fans will keep watching, hoping for more glimpses of their story, whether it’s a podium finish or a sweet Instagram comment.
Conclusion
Carlos Sainz’s girlfriend, Rebecca Donaldson, is more than a paddock fixture—she’s a driven model, entrepreneur, and partner who’s won over fans and the Sainz family. Their romance, sparked in 2023, thrives on mutual support, from Rebecca’s trackside cheers to Carlos’s nods to her in interviews. As they navigate F1’s chaos and fashion’s hustle, their story feels like a pit stop worth watching.
