Carlos Sainz drops one-word reaction to Charles Leclerc announcing his engagement with Alexandra Saint Mleux

Ferrari star Charles Leclerc got engaged to his long-time girlfriend, Alexandra Saint Mleux and shared images from the same on his social media accounts on November 2, 2025. The Monegasque's former teammate, Carlos Sainz, took to Instagram and shared a one-word reaction to Leclerc's announcement of his engagement.

Charles Leclerc and Carlos Sainz were teammates at Ferrari for four years as the Spaniard joined the team ahead of the 2021 season after Sebastian Vettel left for Aston Martin. The two drivers became an iconic Ferrari duo with the fans giving them the nickname “C²”.

Leclerc started dating his now fiancée, Alexandra Saint Mleux, in 2023, and she has since then accompanied the Ferrari driver at multiple race weekends. The couple also adopted their first dog, Leo, about a year ago, who also accompanies Leclerc at the F1 race weekends.

Charles Leclerc took to Instagram on November 2 and shared multiple images from his engagement with Alexandra Saint Mleux. His dog Leo also featured in a lot of the engagement images, while other images were of the romantic setup.

“Mr². & Mrs. Leclerc 💍❤️❤️❤️” read the caption of Leclerc's post

His former teammate and good friend, Carlos Sainz, took to the comment section and shared a one-word reaction to the engagement.

“Yesssss 👏👏❤️”, read Carlos Sainz's comment

Image credits: Instagram/@charles_leclerc

Carlos Sainz also started dating his present girlfriend, Rebbeca Donaldson, in 2023, and the two have been together for over a couple of years. Rebbeca is a Scottish model and also took to the comments section of Charles Leclerc's engagement post.

“🥰🥰🥰🥰🥰🥰🥰🥰🥰🥰,” was Carlos Sainz's girlfriend’s comment

Image credits: Instagram/@charles_leclerc

Sainz's girlfriend, Rebbeca Donaldson, and Leclerc's girlfriend, Alexandra Saint Mleux became good friends when C² drove for Ferrari, and the two are still often spotted together in the F1 paddock.

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Lewis Hamilton congratulates teammate Charles Leclerc on his engagement with long-time partner Alexandra Saint Mleux

Lewis Hamilton replaced Carlos Sainz at Ferrari ahead of the 2025 season, as the Spaniard has to find a new team for the current season. The Spaniard joined Williams for 2025 and scored his first podium for the Grove-based team. The seven-time F1 champion, on the other hand, became the holder of the unwanted record of the most race starts for Ferrari without a podium.

Charles Leclerc's 2025 teammate Lewis Hamilton took to the comments section of the Monegasque's engagement post and congratulated the duo on the new milestone in their relationship.

“Congratulations to both of you❤️🙏,” commented Hamilton.

Image credits: Instagram/@charles_leclerc

Scuderia Ferrari and Alpine's official accounts on Instagram, F1’s official account, and Oscar Piastri also took to the comments section and congratulated Leclerc and Saint Mleux on the engagement.

Edited by Pranay Bhagi