'XO, Kitty' Season 3, Anna Cathcart And Sang Heon Lee Are Dating Someone In Real Life? Find Out

XO, Kitty Season 3 is finally here, and fans can't keep calm anymore. The third and final instalment of the teen romance Netflix show premiered on April 2, 2026 and has already generated a widespread buzz. All eight episodes have been released simultaneously, sparing fans the wait to find out what happens next. The new season follows 'Kitty Song Covey's' (Anna Cathcart) final year at KISS, Seoul, with a major focus on her dynamics with 'Moon Min Ho' (Sang Heon Lee). As the on-screen ship dominates the headlines, here's a look at their real-life relationship statuses.

Who is Anna Cathcart's boyfriend? She sparked buzz with a mystery man

Anna Cathcart, aka 'Kitty', has not publicly confirmed that she is dating anyone; however, she sparked significant romance rumours on February 22, 2026. The 22-year-old shared photos on Instagram that many fans interpreted as a soft launch of her boyfriend. Anna shared a carousel of her vacation pics from New York. It seemed like a romantic getaway with her special someone. In one of the shots, she was seen holding a bouquet of roses and posing amid the snow. In another one, she held the same floral arrangement and posed with a guy in a black hoodie. The pic featured only their shoes and a bit of their outfits.

In another shot, the guy is seen holding two pizza slices and checking out routes on Google Maps. The mystery man's identity remains unconfirmed, as Anna Cathcart intentionally kept his face hidden in all the pictures. The actress listed JW Marriott, Essex House, NY as the location, hinting that she enjoyed a date at the luxurious hotel. Anna was seen smiling brightly in all her solo shots, making fans write comments like "u look so happy", "our girl is in love" and "Straight out of a movie." The actress captioned the post as:

"with love, from new york!"

Is Anna Cathcart's co-star, Sang Heon Lee dating someone?

Sang Heon Lee, aka 'Min Ho's' on-screen chemistry with his XO, Kitty co-star, Anna Cathcart, has frequently sparked speculation about a real-life romance between the two. However, both actors have maintained that they are just close friends and enjoy each other's company. As of April 2026, Sang Heon Lee has not publicly confirmed whether he is in a relationship, and he appears to be single. Sang Heon is known for being relatively private and focusing his social media presence only on his career and travels rather than his romantic life.

We got a glimpse of Sang Heon's stance on keeping his personal life out of the spotlight when he didn't reveal that his co-star, Kitty's XO, Gia Kim (who plays 'Yuri Han'), is actually his real-life sibling. The production team only found out about their bond after both passed the auditions and were finalised as XO Kitty's cast members. It was revealed to the fans even later, after Season 1 of the series aired. They were initially surprised to learn about it, but afterwards noted that they could see the resemblance in Gia and Sang Heon's facial features.

Do Sang Heon Lee and Anna Cathcart's characters end up together in XO, Kitty Season 3?

Disclaimer: Spoilers ahead!

The third season of XO, Kitty consists of eight 30-minute episodes, all released at once for binge-watching. The plot centres around 'Kitty', who has a perfect plan for her final year at the Korean Independent School of Seoul (KISS). She makes lasting memories with her friends, does whatever it takes to grow closer to her Korean relatives, and decides on her future, including college plans. The season kicks off from its Season 2 cliffhanger, following 'Kitty' and 'Min Ho' on a yacht getaway to Busan as part of a summer tour. The duo then defines their relationship, starts dating, goes through a breakup, and eventually reconciles in the finale.

What are your thoughts on Anna Cathcart's alleged mystery boyfriend and Sang Heon Lee's private personal life? Let us know.

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