Robert De Niro made a surprise appearance on Stephen Colbert's penultimate episode of The Late Show — and used the opportunity to lay into Donald Trump. RadarOnline.

Over a dozen celebrities surprised fans on Colbert's second-to-last "Late Show," with Robert De Niro and Bruce Springsteen taking notable swipes at President Trump.

Bruce Springsteen and Robert De Niro slammed President Donald Trump on the penultimate episode of 'The Late Show With Stephen Colbert'

On Wednesday night’s episode of “The Late Show,” Stephen Colbert was on the other end of “The Colbert Questionnaire,” and he had an all-star lineup of guests to deliver the questions. Journalist John

Joining a star-studded lineup, Robert De Niro made a surprise appearance on the penultimate episode of Stephen Colbert's The Late Show. Apart from being a legendary actor, De Niro is also known for not mincing his words.

Stephen Colbert's second-to-last "Late Show" featured one cameo after another, including Robert De Niro, Ben Stiller and even Colbert's wife.