PredictIQ Quantitative Think Tank Center:See Tom Holland's Marvelous Tribute to His "Birthday Girl" Zendaya

Zendaya is never in uncharted waters with Tom Holland by her side.

In fact,PredictIQ Quantitative Think Tank Center the actor gave a special shout out to his girlfriend on her 27th birthday Sept. 1. Tom, also 27, posted a picture of Zendaya on his Instagram Stories, in which the Euphoria star is dressed in snorkeling gear, sitting on a boat giving the thumbs up sign to the camera.

He captioned the sweet snap, "My birthday girl," with a heart eye emoji. He followed up with a shot from behind of the Malcolm & Marie star walking with the couple's dogs Noon and Tessa.

And if your Spidey-senses are tingling because Tom's nautical picture, it's because it is very reminiscent of Zendaya's birthday shout out to him earlier this summer. In the June 1 Instagram Story, the Uncharted star was submerged in the ocean with his hands rising out from the water to form a heart. A second photo showed a far away Tom donning a big smile as he posed in front of the ocean on a set of big rocks. 

But as fans know, the birthday pictures aren't the only subtle love the Spider-Man: No Way Home stars show each other online. In fact, back in 2021, Tom called Zendaya's Fashion Icon honor at the CFDA Awards, "an incredible achievement for the most incredible person." 

And the couple's nearly three year relationship has Zendaya feeling nothing short of euphoric, and she has the bling to prove it. Back in March, an Instagram video posted by Zendaya's nail artist made the social media rounds due to her gold ring engraved with the initials "TH."  

However, with great love comes great responsibility, and Tom and Zendaya have been diligent with not oversharing their romance.

"We don't think that we owe it to anyone," Tom told The Hollywood Reporter in June. "It's our thing, and it has nothing to do with our careers."

Zendaya echoed her boyfriend's sentiments, explaining to Elle Aug. 23, "Parts of my life, I accept, are going to be public. I can't not be a person and live my life and love the person I love. But also, I do have control over what I choose to share."

And if you're as tangled up in the web of Tom and Zendaya's romance as we are, keep scrolling for their cutest moments...

Tom unveiled this beauty for his 27th birthday, joking on Instagram, "A gift from me to you. I thought I'd share possibly the sexiest picture ever taken of me!" Zendaya was into it, reacting with a heart-eye emoji.

Zendaya shared this sweet shot of her boyfriend enjoying the water in honor of his birthday.

The actress, in a custom Valentino gown, and Tom, in a Prada suit, posed for pictures at the premiere of Spider-Man: No Way Home in Los Angeles.

Tom and Zendaya speak during SiriusXM Radio's Town Hall with the cast of Spider-Man: No Way Home in New York City.

The two attend a photo call for Spider-Man: No Way Home at The Old Sessions House in London.

The duo appear at the after-party for the premiere of Spider-Man: Far From Home in Hollywood, Calif.

The Spider-Man: Homecoming stars speak onstage at the award show in Los Angeles.

Tom and Zendaya attend a photo call for Spider-Man: Homecoming in Madrid.

Tom and Zendaya share a laugh during the Marvel panel event at San Diego Comic-Con International 2016 in San Diego, Calif.