Kylian Mbappé sparked fresh dating rumors after briefly posting, then deleting, an Instagram Story featuring actress Ester Expósito wearing his football jersey during the World Cup final. The pair were also spotted celebrating the Argentina vs. Spain match together. Although neither has confirmed the romance, the deleted post has fueled speculation about their relationship.Kylian Mbappé may have created one of the biggest off-field moments of the FIFA World Cup final without even stepping onto the pitch. The French football superstar has reignited speculation about his rumored romance with Spanish actress Ester Expósito after briefly posting a photo of her on Instagram before quickly deleting it. Although the image disappeared within minutes, fans had already captured screenshots, sending social media into a frenzy.Kylian Mbappé and Ester Expósito dating rumors gain momentumThe now-deleted Instagram Story appeared during the FIFA World Cup final on July 19. The photo reportedly showed Ester Expósito wearing Mbappé's football jersey while posing inside a hotel room.Even though the post vanished almost immediately, it was enough to fuel widespread discussion online, with many fans calling it the footballer's first public acknowledgment of their rumored relationship.The timing only added to the excitement. France may not have reached the World Cup final, but Mbappé was still closely following the action. He and Ester were reportedly spotted watching the Argentina vs. Spain final together aboard a luxury boat.Videos shared across social media also showed the pair celebrating the match while enjoying a private dinner, appearing comfortable in each other's company.Neither Mbappé nor Expósito has publicly confirmed that they are dating. Still, their recent appearances together have continued to strengthen the speculation.The deleted Instagram Story has become the latest piece of evidence fans are pointing to, especially because it came from Mbappé's own account. While celebrities often keep their personal lives private, even a short-lived social media post can quickly become headline news.Who is Ester Expósito? The actress linked to Kylian MbappéDating rumors surrounding Mbappé and Ester first surfaced earlier this year. In March, the Spanish actress was photographed attending one of the footballer's Real Madrid matches, prompting fans to wonder if there was more than friendship between them.The speculation continued to grow in April after reports claimed the pair enjoyed a bowling date in Paris. Over the following months, they were seen together several more times, including outings around the French capital and a yacht trip in Sardinia, Italy.Millions of viewers around the world are very familiar with Ester Expósito. She gained international fame for her role as Carla Rosón, one of the most iconic characters on Netflix’s Spanish hit drama Élite. Her performance helped to establish her as one of Spain’s fastest-rising stars.Her career continues to grow outside television. Ester will be in the adaptation of the bestseller Marfil, by Mercedes Ron, for Amazon Prime Video. She is also a regular at top fashion and entertainment events which has helped enhance her global profile.The biggest question for now, though, is why Mbappé deleted the Instagram Story so quickly. It could have been an accidental upload, a change of heart, or simply a decision to keep his personal life out of the spotlight. Whatever the reasons, the short post has only added to the intrigue.Until one of Mbappé or Expósito publicly confirms or denies their relationship, fans will have to keep connecting the dots with public appearances and social media moments.Just one deleted story was all it took to turn a long-running rumor into one of the most talked-about celebrity moments of the World Cup weekend.