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Cast member Josh Brolin (L) and his fiancee, Kathryn Boyd, after the screening of the film "Sicario" in competition at the 68th Cannes Film Festival, May 19, 2015. Image Credit: REUTERS

Actor Josh Brolin said on Wednesday that he did not plan to debut his new fiancee at the Cannes Film Festival premiere of his latest film Sicario, but it was “just the right thing to do”.

Brolin, 47, stepped out on the red carpet on Tuesday night with Kathryn Boyd, a former model, who showcased her sparkling diamond engagement ring.

“We both laughed at it, in hindsight, last night when we were lying in bed,” the actor said.

“We’re here celebrating something that we’re very happy to celebrate, both personally and professionally, and we like being able to do it here as opposed to doing it like at a premiere in [Los Angeles].” This will be the third marriage for Brolin, son of actor James Brolin, who was previously married to actress Diane Lane for eight years, and Alice Adair for six years.

Brolin has been promoting his latest film at Cannes, Denis Villeneuve’s drug cartel drama Sicario, with co-stars Emily Blunt and Benicio Del Toro.

The actor plays CIA team leader Matt, a wisecracking cynic who provides some of the lighter moments in the intense film.