Emily Blunt and John Krasinski are set to wed.
The British actress, 26, and The Office star, 29, have been dating since November 2008 - following her split from Canadian crooner Michael Buble.
Krasinski has been linked in the past with co-stars Renee Zellweger and Rashida Jones.
Blunt's spokesperson tells People.com, "We can confirm that John and Emily are engaged."
The British actress previously dated Michael Buble, who she met in backstage at an awards show in Australia back in 2005. The couple shared a home until their split in 2008.
It's beena year of huge success for Emily Blunt as her acting career has soared. She starred in The Young Victoria earlier this year, a role that could see her land an Oscar nomintion come awards season.
She will return to the big screen with The Wolf Man alongside Benicio Del Toro and Anthony Hopkins. She is currently working on Gulliver's travels with Jack Black.