"It is my honor to throw Donald Trump over the top".
Trump became the first New Yorker to clinch the nomination since Richard Nixon.
After a brief introduction, Trump's son, Donald, Jr., announced that the delegation would be casting 89 of its votes for his father, formally sealing the nomination.
In fact, his speech tonight will focus on how bad a Hillary presidency would be, not how good a Trump one would be.
"From a young age, my parents impressed on me the values that you work hard for what you want in life, that your word is your bond and you do what you say and keep your promise, that you treat people with respect".
Trump campaign chairman Paul Manafort also addressed the controversy on CNN Tuesday morning.
After the presidential vote, the convention by voice vote nominated Indiana Governor Mike Pence, 57, Mr Trump's choice for his vice presidential running mate.
"We are going to make America great again".
The Trump team has been denying everything and playing down any embarrassment while among convention delegates there was a mixed reaction.
Questions on whether discord among Republicans about their nominee will translate to resentment and lower voter turnout is still a big concern for party leaders.
Trump, a 70-year-old real estate developer and former reality TV star who has never held elective office, trails Clinton, 68, in many opinion polls after a bruising Republican primary season.
He will then face Democrat Hillary Clinton in November's presidential election.
Mrs Clinton was due to be formally nominated at a Democratic convention next week in Philadelphia.
Sony/ATV Music Publishing - which administers Queen's catalog including songs such as "We Are the Champion" - said a statement Tuesday they have repeatedly asked Trump not to use the "We Are the Champions", which he played Monday during the first day of the Republican National Convention. She knew that. To think that she would be cribbing Michelle Obama's words is insane.
Security forces are on high alert in Cleveland for the convention.