However, fans of the Pirates of the Caribbean star were left concerned over the photos, with many claiming the 54-year-old "looked ill".

Johnny is now on a mammoth world tour with his rock supergroup, Hollywood Vampires.

Johnny Depp stops to sign autographs for fans while out in Berlin, Germany on Sunday (June 3).

Depp posed with fans at a Four Seasons hotel in St Petersburg, Russia last week, looking visibly thinner than in previous appearances.

Plenty of fans were anxious, leaving comments sharing concern for his health and wishing the actor well.

A third didn't even seem to recognise Depp at all, commenting: "F*** me is that Johnny Depp?".

Johnny is now involved in a legal dispute with his former management company, claiming they mismanaged his millions.

Fans grew anxious about the 54-year-old actor this week after a series of photos taken at the Four Seasons hotel in St. Petersburg, Russia, showed him looking pale and gaunt.

So fans are looking for other explanations, the Daily Mail said.

Depp is also being sued by former bodyguards who claimed that he forced them to work in a toxic environment at his home.

"All my respect, Johnny Depp".

Johnny Depp and Amber Heard got divorced in the a year ago. Depp's divorce from actress Amber Heard was finalized in January 2017, with a $7 million settlement.

THR has reached out to the actor's representatives for comment.

Fans speculated that his appearance could be down to an upcoming film role in which he stars as a terminally-ill academic in Richard Says Goodbye.

It was reported by Empire a year ago the actor was set to star in Richard Says Goodbye.