9 Signs Taylor Swift and Calvin Harris Are Ready to Say 'I Do'

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A wedding isn't just in Swift's 'Wildest Dreams' -- ET's breaking down all the reasons why it could be the real deal!

It's a love story, baby, just say, "Yes."

Taylor Swift and Calvin Harris celebrated their one-year anniversary together earlier this month, and according to a new report, the "Wildest Dreams" singer already wants to tie the knot -- she's reportedly even shared her idea for the perfect Lorraine Schwartz-designed engagement ring with her beau!

WATCH: Taylor Swift and Calvin Harris Celebrate Their One-Year Anniversary as a Couple

Sources tell ET that the lovebirds probably won't be walking down the aisle "tomorrow morning," but in Hollywood, a year together is a big deal. And while the duo has yet to comment on the new claim themselves, we don't think wedding bells are completely out of the question. Here are nine reasons why the DJ/producer could totally be "the one" for Swift.

1. He thinks she's incredibly sexy.

During a romantic tropical getaway earlier this month, Harris couldn't keep his eyes off of his blond beauty. The 23-year-old music producer shared a series of snaps on his Instagram, which featured a makeup-free, bikini-clad Swift.

2. They still act like they're in the honeymoon phase.

On that same trip, Harris (real name Adam Wiles) and Swift wrote each other's initials in the sand, showing their fans that they're still head-over-heels in love one year later. "Taylor Swift + Adam Wiles,' the "New Romantics" singer captioned the cute photo.

WATCH: Taylor Swift Returns From Sexy Vacay With Calvin Harris

3. He takes her on spontaneous adventures.

What's a relationship without some fun? The two clearly love spending time together any chance they can get, and it's obvious that Harris makes sure his girl is always enjoying herself. Just check out this sweet snap of the two on utility vehicles in Vail, Colorado, last Christmas.

4. He's tight with her brother.

The 26-year-old singer isn't the only one in her family who loves hanging out with Harris -- her younger brother, Austin Swift, does too. In December, the two built a budding bromance (and a snowman) during their Colorado Christmas trip.

5. He showers her with gifts.

In celebration of 365 days together, Harris gifted Swift with a gold locket engraved with the date they officially became a couple. "3.6.15 one year down,' Swift captioned a close-up of the trinket. The pop star was photographed wearing it just a few days later, which proves Harris clearly has good taste in jewelry!

WATCH: Taylor Swift and Calvin Harris Take an Adorable Tropical Vacation

6. He's extremely supportive.

When the Pennsylvania native won Album of the Year at the 2016 GRAMMYs in February, a proud Harris took to Instagram to gush over his "beautiful girlfriend" by sharing a congratulatory pic of her on stage accepting the award.

7. He's got Ed Sheeran's approval.

Sheeran is a longtime friend of Swift's, so it's no surprise that her future husband would have to get along with the "Thinking Out Loud" singer. Looks like Harris doesn't have a problem with that request -- they seemingly have a blast when they party together!

8. He's close with her gal pals, too.

One of Swift's best friends, Karlie Kloss, has also proved she's a big fan of Harris. The two appeared to be sharing laughs in the kitchen in a photo posted by Swift. Kloss has also attended a few of his shows with Swift, most recently one in Las Vegas.

9. Last but definitely not least, he proves chivalry isn't dead.

Harris has been marriage material from the start, making Swift smile and feel like a real-life princess -- like she dreams about in her romantic lyrics -- in almost every photo we've seen from their brief getaways. Take this one of him giving her a piggyback ride last Fourth of July, for example. Picture perfect!

WATCH: Taylor Swift Takes Her Awards Show Dance Moves to Her Best Friend's Wedding