Keira Knightley engaged to James Righton

Dave Hogan / Getty Images

By Gina Serpe, E! Online

Grab your fascinators, everyone, because wedding bells are ringing for Keira Knightley!

E! News has confirmed that the Oscar-nominated actress is engaged to her rocker boyfriend of 15 months, Klaxons ivory-tickler and fellow Brit James Righton.

Well, you know what they say: Those keyboardists always get the hot chicks. So, how'd the proposal go down? And when's the big day?

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Unsurprisingly, those details are being kept under tight wraps, hardly an unpredictable outcome from the fiercely privacy-protecting actress. Though the duo are frequently seen arm in arm around their neighborhood, they have yet to make a public appearance together.

The 27-year-old "Seeking a Friend for the End of the World" star has been dating the 28-year-old Righton since 2011 after being introduced by mutual pal Alexa Chung. The couple was soon inseparable and moved into a shared East London pad together at the start of this year.

MORE: Happy 27th Birthday, Keira! How'd She Celebrate?

No further details about the engagement, including when or how the proposal took place, or a possible wedding date, have been revealed.

It'll be the first time down the aisle for both stars. Knightley previously dated actor Rupert Friend for five years before splitting in early 2011, and model Jamie Dornan, whom she dated for two years before that.

Congrats, you two!

PHOTOS: Fashion Spotlight: Keira Knightley

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