Following in the footsteps of her big sister Mary Kate who got engaged two weeks ago, Elizabeth Olsen is set to wed her boyfriend of two years, Boyd Holbrook.

The 25-year old actress and 32-year-old model are preparing to get married after Holbrook popped the question over the weekend according to US Magazine. 

A source told the publication: "'They've been by each other for a while, taking a lot of couple time.''

The loved-up pair met on the set of Very Good Girls in 2012 and have been inseparable ever since.

The happy couple took their relationship to the next level a few months back when they reportedly moved in together in Brooklyn, New York City.

The source added: ''They moved into a place in Brooklyn a few months ago.''

Big sister and fashion designer Mary-Kate has yet to confirm reports that French banker Olivier Sarkozy proposed recently but has fuelled rumours by wearing a huge diamond sparkler on her ring finger.