Sean Penn is joined by daughter Dylan and Leonardo Di Caprio at nonprofit event ...

Sean Penn was joined by his daughter Dylan as he hosted an event to benefit his relief fund CORE's Crisis Response Programs in Latin America in Miami on Wednesday.

Fellow actor Leonardo DiCaprio and singer Marc Anthony were also in attendance at the event which was held at the Soho Beach House.

Sean, 61, wore a navy blazer for the event along with a crisp white shirt and light blue trousers. 

His daughter Dylan, 30, who he shares with ex-wife Robin Wright, looked incredible in a silver gown with a plunging neckline and shimmering detail.

The actress' garment also featured a leg split while she added height to her frame with a pair of matching heels.

Dylan, who recently co-starred in the movie Flag Day with her father, styled her blonde locks into an updo for the event.

Leonardo, 47, who is known for his environmental activism, kept it casual in a black jacket and matching top and hat.  

Marc appeared in good spirits at the bash where he posed alongside friends in a grey jacket and a white shirt with black trousers. 

Also in attendance was actress Soleil Moon Frye who looked sensational in a green sleeveless top and matching trousers. 

Sean was joined on-stage by comedian Luenell while he also posed for snaps with Brazilian singer Anitta. 

CORE (Community Organised Relief Fund) was set up in 2010 in response to the January 12 earthquake in Haiti.

It comes after a US federal labor agency issued a formal complaint against Sean's disaster relief group after the actor accused employees who spoke out about long hours and poor meal options of 'broad betrayal' and encouraged them to quit.

The National Labor Relations Board issued the complaint on October 25, almost nine months after a lawyer pointed the agency to a blistering letter Penn sent his workers.

In January, two people claiming to work for the Community Organized Relief Effort, challenged the company line in the comments section of a New York Times article about a vaccination drive at Dodgers Stadium in Los Angeles.

One of the alleged workers - whose identities have not been verified - complained about 18-hour work days and a lack of restrooms, prompting Penn to hit back: 'Any of us who might find themselves predisposed to a culture of complaint, have a much simpler avenue than broad-based cyber whining. It’s called quitting.'

A lawyer for CORE says the NLRB complaint has an 'utter lack of legal merit.'

The agency began in 2010 to help victims of an earthquake in Haiti and now calls itself a 'crisis response organization' that helps 'underserved communities' across the globe.

CORE was tipped off in February by labor lawyer Daniel B. Rojas, who called Penn's attempt to stifle dissent 'unlawful.' An administrative hearing is set for January.

The fallout began with the vaccination event at Dodger Stadium led by the Los Angeles Fire Department with assistance from CORE, which was founded by Penn, 61.

A January 28 New York Times article described a bustling scene as Los Angeles Mayor Eric Garcetti helped manage long lines, where people waited as long as four or five hours for their first COVID-19 shot.

The story claimed 'there is Krispy Kreme for breakfast and Subway for lunch.'

But a comment by 'staff #2' took issue with the claim.

'We do NOT get krispy kreme for breakfast. In fact, we usually DON'T get breakfast, just coffee. And the lunch is NOT subway. It's the same old lettuce wraps every day. It's free lunch for staff/volunteers so I'm not complaining but still... not subway,' the person wrote.

Another comment written by 'CORE staff' complained about working '18 hour days, 6 days a week' without any backup.

'It

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