Emma Watson and Tom Felton got to know each other extremely well after spending a decade filming the Harry Potter series together.
While they kept their close friendship quiet during the movies, once the cast wrapped they've regularly indulged in some BFF time.
The best pals are still going strong after 20 years, and are currently holidaying together in South Africa.
When Tom, 31, who played Draco Malfoy, posted a snap of him teaching Emma, 29, who starred as Hermione Granger, how to play the guitar it was too much for the wizard fandom to handle.
Sharing a picture of the pair in their pyjamas, Emma - who once confessed to have a 'crush' on Tom - had the guitar placed on her lap as Tom showed her how to place her hands correctly on the strings.
Tom wrote in the caption: "Quick learner."
Fans flocked to his comments section coining new couple names for them such as "Dramione" and "Feltson".
They quickly began speculating the pair were dating because they were on holiday together.
Others took to Twitter to debate the pair's cosy friendship: "Whenever emma watson and Tom Felton post pictures with each other i get all messed up because i fully support healthy girl-guy friendships but at the same time i??? ship??? them??? so??? hARD???"
"Are y’all going to ignore the fact that Tom Felton and Emma watson are in South Africa together..in their pajamas...while Tom teaches Emma how to play the guitar...their marriage could be the cure for climate change. But wE’rE jUsT fRiEnDs," wrote another.
"Emma Watson and Tom Felton reunited again and nothing makes me happier," gushed one hardcore Potterhead.
"Tom Felton and Emma Watson went over a decade not acknowledging each other to avoid harry potter fans from shipping them to posting videos of them skating and tom teaching her guitar...this is a LOT TO PROCESS," added a fourth.
In another holiday snap, Tom posted a picture of himself wearing a t-shirt that read "women do it better", crediting Emma as the photographer.
Emma then reposted the image on her own s
One fan said: "Let's not forget the fact that Emma Watson used to have a crush on Tom Felton and I ship them from then on. When is tom felton and emma watson gonna be official."
"When is tom felton and emma watson gonna be official," asked another keen fan.
Their reunion comes months after they spent time together in California and went skateboarding together.
Mirror Online have contacted Emma and Tom's reps for comment.
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