They've been a couple for the last six years, and now Phoebe Waller-Bridge and Martin McDonagh are reportedly taking their relationship to the next level,

The 'Fleabag' actress, who was most recently seen in 'Indiana Jones and the Dial of Destiny', has been spotted with a sparkling diamond on her ring finger.

She and the 'Banshees of Inisherin' director were attending her brother Jasper's wedding to actress Michelle Dockery ('Downton Abbey') in London over the weekend when fans spotted the ring in photos.

The pair have been spotted at various awards ceremonies and glitzy shindigs over the last few years, including the Golden Globes earlier this year, when 'The Banshees of Inisherin' won 'Best Original Screenplay' for McDonagh - whose parents are from Sligo and Galway.

They have been publicly supportive of each other in the past, too - with Waller-Bridge saying in an interview: "It’s really useful being with someone who I think is a genius - it just ups your game."

Could an Irish wedding be on the cards? Stranger things have happened... in any case, congrats to the happy couple!