By Jesse Byrnes
A top aide to White House hopeful Donald TrumpDonald TrumpTrump responds to Muslim DNC speaker: 'I'd like to hear his wife' Social media mocks Trump for misspelled tweet Trump vows economic progress on Twitter MORE on Thursday thanked Mitt Romney after the 2012 Republican presidential nominee blasted the current GOP front-runner.
Dan Scavino, a senior Trump adviser, tweeted that the former Massachusetts governor had delivered "an incredible endorsement" for Trump.
Scavino also tweeted that Romney "defined" the word politician with his remarks, linking to a a video from 2012 when Romney said he was "honored and pleased" to have Trump's endorsement in his own presidential bid.
Romney during a blistering speech Thursday at the University of Utah unloaded on Trump's foreign policy credibility, business failures and vision for the country.
Romney ripped Trump as a "fraud" and "phony" in his speech, and called on Republicans to support rivals Ted CruzTed Cruz100 days to go in volatile race Voting Trump because of the Supreme Court isn't enough Trump blames GOP as Dems top RNC ratings MORE, Marco RubioMarco RubioFlorida: 'High likelihood' of first Zika transmission in the US Overnight Healthcare: Rubio presses Obama to spend Zika money | FDA moves ahead with trans fat ban The Trail 2016: Her big night MORE or John Kasich in voting over the next two weeks.
--This report was updated at 12:35 p.m.