Kate Bosworth and Michael Polish
09/05/2012 at 10:00 AM EDT
The actress, who recently alluded to a proposal
from boyfriend Michael Polish in a travel blog for Vogue
, confirmed her engagement on Twitter.
"This photo was taken by my husband-to-be," she Tweeted on Tuesday
. "Thank you for all the wonderful engagement wishes. ... We feel truly blessed."
In the photograph which accompanied her Tweet (see it above), Bosworth, 29, poses with her hand in her mouth to show off her engagement ring.
She was first spotted with Polish
at a Coldplay concert in August 2011 in Los Angeles.
Polish, 41, directed Bosworth in the upcoming film Big Sur
about Jack Kerouac's three brief trips to a cabin on the Northern California coast.