Mitt Romney did not back down from his feud with Donald Trump Donald John TrumpHouse committee believes it has evidence Trump requested putting ally in charge of Cohen probe: report Vietnamese airline takes steps to open flights to US on sidelines of Trump-Kim summit Manafort's attorneys say he should get less than 10 years in prison MORE at a GOP dinner Tuesday night.

The former Republican presidential nominee joked about the billionaire’s foreign-born wives.

ADVERTISEMENT

“Donald Trump has had several foreign wives. It turns out that there really are jobs Americans won’t do,” Romney reportedly quipped at the annual dinner hosted by the National Republican Congressional Committee (NRCC).

Mitt Romney at @NRCC dinner: "Donald Trump has had several foreign wives. It turns out that there are really are jobs Americans won't do." — Kris Hammond (@KrisHammond) March 23, 2016

Trump’s first wife, Ivana, was born in Czechoslovakia. Melania, his third wife, is from Slovenia.

Romney also touched on Trump’s questioning of his faith.

“He could have just asked my wives,” Romney said.

Mitt on Trump at NRCC dinner on whether he's actually a Mormon: "He could have just asked my wives." — Keith Urbahn (@keithurbahn) March 23, 2016

Trump bashed Romney at a rally in Utah last week, asking his supporters if Romney was really Mormon.

“Are you sure he’s a Mormon? Are we sure?” Trump said.

The billionaire has since said it was joke.