Check Out That Bling! Josh Brolin Gave His Assistant An Engagement ROCK! See The Pic HERE!

We’re blind!
Josh Brolin and his assistant Kathryn Boyd are engaged and this giant rock confirms it!!
When the couple stepped out at the Cannes Film Festival on Tuesday, we all got a great glimpse of Kathryn’s MASSIVE diamond ring.
Naturally, they couldn’t stop smiling as they walked the red carpet!
[ Related: DWTS‘s Amy Purdy Is Engaged! ]
Kathryn subtly showed off her new bling against her red ruffled dress, and also showed off her man in a suave suit and bow-tie.
We’re so happy for these two!
To see more pics of that rock on Kathryn’s left hand, ch-ch-check out the gallery (above)!
[Image via Getty Images.]