After speculations about engagement, Kit Harington and Rose Leslie announced their engagement by publishing it in the Times Newspaper. They were first rumored to be a couple when they appeared as an on-screen partner in a popular television drama, "Game of Thrones." After five years of being in an on-and-off relationship, the couple is now engaged.

Kit Harington, 30 years old, is an English actor born in Acton, London. He starred in the movie "Silent Hill: Revelation" in 2012. He has since appeared in films such as the romantic historical film "Pompeii" in 2014, the computer-animated fantasy film "How to Train Your Dragon 2" in 2014 and the British drama film "Testament of Youth" in 2014.

Meanwhile, Rose Leslie, 30, is a Scottish actress. After winning a Scottish BAFTA for Best Acting Performance for her role in "New Town," she rose to fame as Gwen Dawson in the ITV drama series "Downton Abbey" and as Ygritte in the HBO fantasy series "Game of Thrones".

Kit Harington and Rose Leslie: relationship timeline

Kit Harington and Rose Leslie met on the set of the fantasy show, "Game of Thrones", way back in 2012. Harington played the role Jon Snow which is the on-screen partner of Rose Leslie who played the role Ygritte for three seasons. Leslie left the cast of "Game of Thrones" two years later while Kit Harington appears in all seven series of the popular fantasy drama and became one of the show's biggest stars.

The dating rumors began when TMZ published photos of them holding hands while on a date in a restaurant. The "Game of Thrones" fandom exploded when the pictures surfaced. Although they keep denying their relationship, it was reported that the couple had split up in August 2013, according to a U.K. report.

In June 2014, the on-screen couple ended their relationship in the drama as Ygritte died in the hands of Jon Snow in an episode of the popular TV series.

But this was not the case in real life as they were seen arriving together at the airport on July 2014 to attend San Diego Comic-Con, according to a report by Popsugar.

In January 2016, after how many denials about their relationship, the couple was seen kissing each other in public. Their co-star Emilia Clarke allegedly confirmed their relationship when ET reporter Nancy O'Dell interviewed her.

Relationship confirmed

In April 2016, the couple walked the red carpet together at The 2016 Olivier Awards and go public with their relationship for the first time. This is the first event the couple attended publicly with their relationship. In an interview with Vogue on May 2016, Harington admitted that he fell in love with Leslie while filming the season three of 'Game of Thrones." They were filming for four months from September 2012 to January 2013. According to Harington, this was his favorite memory while filming.