What’s this about a massive Downton Abbey engagement?!

So it looks like there's a lot of excitement on the set of hit TV show Downton Abbey if latest reports are to be believed!

Michelle Dockery, who plays Downton's Lady Mary Crawley, is said to be flashing a sparkler and celebrating an engagement to boyfriend John Dineen.

The couple who have been together for over a year are apparently preparing to tie the knot and the overjoyed actress is flaunting her rock at every opportunity!

A source close to the couple spilled the beans on the big news, saying: "She looked over the moon and was showing it off to all the cast and crew.

Admitting that 33-year-old Michelle's big reveal has brought much joy to the set of the show, the source goes on to say: "It's wonderful news and everyone is delighted. She and John make a lovely couple."

The actress is said to be certain that John is the man for her, with an insider admitting: "She knows that this relationship is for keeps and she's so excited."

Michelle was introduced to the financial PR by Downton actor Allan Leech so fingers crossed the Irish star gets the pat on the back he deserves for bringing these two lovebirds together!