Robert De Niro called President Donald Trump a 'lowlife' and refused to let him sit on the bench dedicated to him at the Annual Hudson River Park Gala on Thursday night.

During his speech at the Pier 62 event in Manhattan, New York, the 74-year-old actor slammed Trump and his time so far in the White House.

'F--k you Donald Trump. It's a horror with this mother----er,' the Taxi Driver said according to the Daily News Confidential section.

Robert De Niro called President Donald Trump a 'lowlife' and refused to let him sit on the bench dedicated to him at the Annual Hudson River Park Gala

When honored with his bench in the park, De Niro said: 'One of my pleasures will be keeping people off my bench who don't deserve a view of the park like Donald Trump.'

Former Mayor Mike Bloomberg then said of the actor that 'It took me years before I finally got a sentence out of Bobby. He's not a big talker.'

De Niro shared that he loves the scenery and the shrubs surrounding the Hudson.

The Oscar Winner also admitted that he hasn't spoken to long-time friend Harvey Weinstein following the explosion of sex scandals and allegations against him

The Oscar Winner also admitted that he hasn't spoken to long-time friend Harvey Weinstein following the explosion of sex scandals and allegations against him.

Amazon may consider dropping a Weinstein Co. project starring De Niro and Julianne Moore, reported the Hollywood Reporter.

Also in attendance at the gala were Seth Meyers, Mike Meyers and Coco Rocha.