'Game of Thrones' Stars Kit Harington and Rose Leslie Show Off Major PDA During Shopping Trip

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Winter may be coming, but Kit Harington and Rose Leslie's relationship is heating up!

The Game of Thrones stars -- who played star-crossed lovers Jon Snow and Ygritte on the popular HBO series -- were spotted packing on the PDA at The Grove in Los Angeles on Friday, seemingly confirming that they are, indeed, a couple.


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Harington looked dapper in a fitted tee and dark-wash jeans while holding hands with Leslie, who kept it cool and casual in a turquoise maxi skirt and white blouse.

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Much like the job of his GoT character, Harington, 29, kept a close watch -- on Leslie, his cell phone and shopping bags, that is!

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An eyewitness tells ET that before the two shopped at Gap, J Crew and Nordstorm, they began their adventure with an hour-long lunch at Café Gratitude.


WATCH: 'GoT' Cast Teases Season 6 Secrets & How Jon Snow 'Lives On'

According to the eyewitness, they stayed close to each other the entire time, exchanging kisses and being "very romantic."

These adorable snaps mark the first official sign of any PDA from the on-and-off screen couple. Though Harington and Leslie, 28, never confirmed it, it's been a longtime rumor that they've been dating on and off ever since meeting on the set of the fantasy drama TV series.

In more GoT news, the highly-anticipated sixth season is upon us. The show returns to HBO on Apr. 24.

While -- SPOILER ALERT! -- Leslie's character, Ygritte, was shockingly killed by a young boy during a gruesome battle scene between the wildlings and crows at Castle Black in season four, the fate of her beloved Jon Snow is still to be determined.

Last year, HBO teased viewers with the possible resurrection of the fan-favorite when they released the first teaser trailer and poster from the all-new season. Hear more in the video below.

WATCH: New 'GoT' Poster Hints at Jon Snow's Return