“Johnny has been an emotional mess,” a source tells PEOPLE.
The actor, 52, has been traveling around Europe with his band the Hollywood Vampires for the last week, making stops in various places including Sweden and Denmark. The band is set to take the stage in Romania on Monday for the last performance on their European tour.
“The concerts and the tour are good for him,” says the source. “He doesn’t want to let his fans down. It’s the best distraction.”
But while the actor – whose mother, Betty Sue Palmer, died May 20 after a long illness – is doing his best to keep his head high, focusing on his music hasn’t been enough to keep his mind off his personal life. “He is still very upset about his mom and about all the Amber drama,” adds the source.
Depp has been spotted partying with locals after his concerts and staying out until nearly 4 a.m., but the source says it’s just typical celebration.
“His team is keeping a close eye on him,” says the source. “He has been drinking, but hasn’t been out of control.”
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Depp reportedly canceled an appearance at the Reason Rally in Washington, D.C., scheduled for Saturday.
As for the future, Depp is planning to spend the summer with his two kids, Lily-Rose, 17, and Jack, 14.
“He talks about his kids a lot and misses them. He is making plans with the kids this summer. They are planning a trip to France.”