Johnny Depp gave smirks and serious looks as he took to the stage in Germany on Sunday

By Char Adams
Updated May 30, 2016 10:20 AM
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Andreas Rentz/Getty Images

Johnny Depp continued touring with his band, the Hollywood Vampires, on Sunday – stepping on stage in Germany amid domestic violence allegations made in court documents by his estranged wife Amber Heard.

The 52-year-old took to the stage in Herborn, giving smirks and serious looks as he performed alongside fellow band members Alice Cooper and Joe Perry.

One concertgoer gushed about the performance, telling PEOPLE that the trio played for more than two hours.

“Along with being a good performer, Johnny is really professional,” Dave Gold says of Depp. “But because of his private problems he was a little shy before the show and nobody really saw him until he got on stage. It is understandable, I suppose.”

Depp didn’t interact with the crowd much at the show, another attendee tells PEOPLE.

“He didn’t speak to the crowd at any point – or mention anything about the latest news about Amber,” Steffi Hoffmann says. “He didn’t really interact much with the crowd at all.”

“In my opinion, he didn’t let on that anything was wrong,” fellow concertgoer Jacqueline Reinisch tells PEOPLE. “He had fun on stage, waved to the audience, smiled and was totally into the music. I had a totally positive impression of him.”

The performance comes just days after Heard, 30, was granted a temporary restraining order against Depp on Friday, alleging that the actor physically abused her throughout their four-year relationship. They have been married for 15 months.

In court documents, Heard claims Depp hit her with a cell phone and pulled her hair last Saturday night. An LAPD spokesperson told PEOPLE that officers responded to the scene but determined that “there was no evidence of any crime.” The actress submitted a recent photo of herself with what appears to be a bruise on her right eye as evidence in the claim.

Depp’s divorce attorney Laura Wasser responded to Heard’s restraining order request, saying that the actress is “attempting to secure a premature financial resolution by alleging abuse.”

Now, as the couple’s divorce continues, Depp is spending time with his band, making a charity appearance and taking to the stage.

The band performed on Friday in Lisbon, Portugal, at the Rock in Rio festival, and a concertgoer told PEOPLE the actor seemed “absolutely fine” despite the legal drama.

“He played a really good gig. It was like the events of the week hadn’t played a part at all,” the witness said.

The trio is expected to perform in Stockholm, Sweden, on Monday.

While Depp has not shied away from the spotlight amid legal proceedings, Heard has kept a low profile, making her first public appearance on Saturday since heading to court to request the restraining order.