The Irish actor (38) has spent the last few months looking virtually unrecognisable due to his True Detective role, but thanks to a cleanly shaved face and hours at the gym, he's back to his old self once again.
Farrell is currently in the South of France promoting his new Irish-shot film, The Lobster, alongside Rachel Weisz at the Cannes Film Festival.
And the Dolce & Gabbana model looked like he stepped out of a high fashion campaign during a photocall this morning ahead of tonight's premiere.
Irish actor Colin Farrell (L) and British actress Rachel Weisz pose during a photocall for the film "The Lobster" at the 68th Cannes Film Festival
The Dubliner, who is enjoying a career resurgence, credits his physique to a newly healthy lifestyle and an obsession with green juices.
"I drink almost my body weight in it," he told Conde Nast Traveller. And saunas for some healthy chill-out time,” Colin said.
“There is a Russian bathhouse that I go to in Los Angeles. It’s a nice way to kill a couple of hours because life can be hectic. To go somewhere for a while and sit in a quiet space, it’s therapeutic."
He also frequents a bikram yoga studio in Dublin city centre during his time on our shores.