• Emilia Clarke plays Daenerys Targaryen in HBO's 'Game of Thrones."

Emilia Clarke plays Daenerys Targaryen in HBO's 'Game of Thrones." (Photo : YouTube/GoT)

Apart from being known as Stormborn of the House Targaryen, the Unburnt, Khaleesi of the Great Grass Sea, Breaker of Chains and Mother Of Dragons, "Game of Thrones" star Emilia Clarke has recently earned the title of on-set prankster as well. In one of the viral videos, the actress can be seen smearing dessert all over her co-star Joseph Naufahu who was taking a nap during the late-night shoot.

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While filming the "Game of Thrones" Season 6 episode 4's epic scene of the fiery takedown of Dosh Khaleem by Daenerys, Clarke and her co-stars had to take frequent breaks in between takes as the set often got too hot to handle. During one of such breaks, the 29-year-old actress seemingly could not resist herself from playing a practical joke on Naufahu, who plays Dothraki leader Khal Moro in the hit series.

Taking a sweet revenge on Khal Moro, Clarke grabbed some caramel fudge off the nearby table and quietly drizzled it on Naufahu's hands and body, all the while trying hard not to laugh. The hilarious prank was captured on camera by an actor playing one of Dothraki henchmen while a second heavily bearded warrior took photos.

"She put caramel fudge all over my fingers, all over my costume, and she was about to feed it to me, but I woke up," Naufahu told Vulture before further adding that maybe the actress was delirious from all the propane on the set. Scroll down for the video.

This was not the first of Clarke's on-set antic. The former professional player-turned-actor also revealed that she even scribbled Dothraki words on his arms and forehead when he drifted off to sleep earlier that day.

Earlier, Clarke opened up about how it felt to do the recent "Game of Thrones" nude scene by declaring that no body double was used to film the topless scene. While Clarke's nude scene was shot on a private "closed set" in Belfast, the rest of the sequence with the Dothraki actors was shot at the Vaes Dothrak village set constructed in the desert in Spain.  

"But this is all me, all proud, all strong. I'm just feeling genuinely happy I said 'Yes.' That ain't no body double!," the actress told Entertainment Weekly

Watch Clarke playing practical joke on her co-star below: