All sorts of celebs are weighing in on The Donald as of late ... and they have some not-so-nice things to say about The Apprentice host and potential presidential candidate.
Comedian Bill Cosby spoke to NBC about Trump's possible 2012 campaign.
"Heâ€™s full of it,â€ Cosby said. â€œYou run, or shut up â€¦ but the only thing he's running is his mouth."
And Robert De Niro said Trump is like a "used car salesman" when it comes to the businessman's questioning of President Obamaâ€™s birth certificate.
Last, Jerry Seinfeld pulled out of an event benefiting St. Jude Childrenâ€™s Research Hospital because Trumpâ€™s son, Eric, was hosting it.
But Trump, who's used to being the one giving the criticism a la his Apprentice franchise, doesn't take such critiques lightly.
See what fightin' words he had in response to these three -- and the bizarre statement that one celebrity gave in support of Donald -- after the jump!