“Today is reserved for Ren”

Ant Anstead/Instagram

Ant Anstead is a romantic at heart!

In an Instagram post on Tuesday, the Celebrity IOU joyride The 43-year-old presenter revealed how special this day is for an “old romantic” like him.

“I'm still an old romantic… Happy Valentine's Day to everyone who is lucky enough to have a special partner in their life,” he wrote.

The message did not include a photo of Anstead and Zellweger, but of him and his 19-year-old daughter Amelie. He explained his decision by saying: “While today is reserved for Ren, I am lucky to have a second special woman to shower love on. Love you my 19-year-old Valentine @amelieanstead 🥰❤️ x”

RELATED: Chronicle of the relationship between Renée Zellweger and Ant Anstead

Ant and Zellweger, 53, met for the first time on the set of his show. Celebrity IOU joyridein spring 2021, and PEOPLE confirmed in June of the same year that they were a couple.

After making his Instagram account official in September of this year, Ant spoke to PEOPLE about his new relationship with the actress and why the two are keeping their romance low-key.

“The relationship between Renée and I is something very private,” he told PEOPLE. “It's something I don't really want to talk about too much. Our relationship is still very early on and I don't want to put any pressure on it.”

RELATED: Sharp-eyed Instagram followers confirm that Ant Anstead and Renée Zellweger spent Christmas together in the UK

Ant Anstead/Instagram

Since then, Zellweger has accompanied Ant's family at numerous events. In addition to Amelie, the British car expert has 16-year-old son Archie from a previous marriage and three-year-old son Hudson with his ex-wife Christina Hall.

Although Ant did not show his leading lady in his Instagram posts from the holidays, his followers quickly noticed the Bridget Jones – Chocolate for Breakfast Alum in the background of some of his photos.

In one post, fans pointed out that the actress wore her favorite orange University of Texas baseball cap and green cargo pants in the background of a shot of Hudson learning to play cricket.

Ant Anstead/Instagram

In another post from the same trip, another user noted that the actress makes a brief cameo in a video of a “forest walk” Ant took with his kids.

“Renée wins the holidays!! 😍 You can always recognize this hat,” wrote the follower, referring to the same orange hat.

Last month, Ant shared a sweet new photo with Zellweger (above), showing the two stopping for a dance under fairy lights on what appears to be a fancy date night.

“Always stopping for magical moments under twinkling lights… ❤️💫x,” Ant wrote in the caption.