In an interview to Vogue Italia in 2016, Kit Harington recalled falling in love with his on-screen lover, while filming 'Game of Thrones' in Iceland. "Because the country is beautiful, because the Northern Lights are magical, and because it was there that I fell in love".
"I hope their real life relationship goes better than the TV one", said another.
The couple has yet to confirm the reports.
The couple broke up briefly but reunited in 2014.
Weddings on the show have historically not been successful; from the infamous Red Wedding to the marriage of Sansa Stark to villainous Ramsey Bolton.
Rose Leslie and Kit Harington attend The Olivier Awards with Mastercard at The Royal Opera House on April 3, 2016 in London, England.
In 2017, Kit and Rose moved in together, taking the next big step in their relationship.
The pair met each other back in 2012 and Harington, 30, has allegedly popped the question to his co-star.
At the time, he declined to offer further details about their history together.
Candles, candles and more candles; bundles of logs and moss as centrepieces for a forest feel, and goblets for all the wine you and your guests will be sloshing back. "But yeah, we are very, very happy". Added another: "He should get a prenup which says that in event of divorce "YOU OWE NOTHING, JON SNOW".
Things got complicated between Clarke's Daenerys and Kit Harington's Jon Snow in the Season 7 finale of 'Game of Thrones'. He wanted her to feel that the house is also hers, so she should never feel like she just moved into his abode.