'Bachelorette' Star Kaitlyn Bristowe and Fiance Shawn Booth Just Can't Stop With the Intense PDA

Obviously, Bachelorette star Kaitlyn Bristowe and her handsome fiance, Shawn Booth, are still in the infatuation stage of their relationship.

Kaitlyn and Shawn had dinner at Catch restaurant in New York City on Tuesday night, where they couldn't keep their hands off one another. Shawn -- who Kaitlyn chose in the season finale of The Bachelorette over controversial runner-up Nick Viall -- gave the petite 29-year-old dance instructor a piggyback ride at one point, and also gave her a big smooch on the lips in plain sight.

WATCH: 4 Reasons Why We Love (And Will Miss!) Kaitlyn Bristowe as 'The Bachelorette'

"After a day in heels, he comes in pretty handy," Kaitlyn joked on Instagram about Shawn's sweet gesture.

ET caught up with the affectionate couple after the Bachelorette season finale on Monday, when Kaitlyn talked about her stunning $150,000 Neil Lane engagement ring.

"Honestly, it scares me. It scares the crap out of me," she admitted. "I wear inexpensive things, and it's just bizarre to me to have like a down payment on a house on my finger."

It also appears the two are relieved to no longer have to keep their relationship a secret, especially after an accidental Snapchat almost spoiled the ending for Bachelorette fans. Shawn wasted no time Instagramming a picture of him and Kaitlyn together on Tuesday, showing off their fit bods.

"My girl," he wrote.

WATCH: EXCLUSIVE -- Kaitlyn Bristowe Is 'Not Ashamed' of Having Sex on the Show

Check out the video below to hear Kaitlyn dish to ET about the cringe-worthy finale moment with Nick, when she actually stopped him mid-proposal.

Bachelorette' Kaitlyn Bristowe Laughs At Her Last, 'Awkward' Moment With Nick

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