Melania's much-applauded debut in front of a Republican crowd also drew negative attention for two passages matching nearly word-for-word with the speech that Michelle delivered at the Democratic National Convention eight years ago.
Ironically, Melania had taken the centre stage to defend her husband, praising him as a "compassionate" man who would "fight for the country".
"And we need to pass those lessons on to the many generations to follow. Because we want our children in this nation to know that the only limit to your achievements is the strength of your dreams and your willingness to work for them."
"And Barack and I set out to build lives guided by these values, and to pass them on to the next generation. Because we want our children - and all children in this nation - to know that the only limit to the height of your achievements is the reach of your dreams and your willingness to work for them."
"Side-by-side comparisons of the transcripts show the text in Trump's address following, nearly to the word, the would-be future first lady's own from the first night of the Democratic convention in Denver nearly eight years ago," CNN reported.
However, the Trump campaign defended Melania, terming the allegations "absurd" and saying her address used "fragments that reflected her own writing".
Moreover, Trump who introduced his wife at the Cleveland Convention said that her speech was absolutely "incredible".
"It was truly an honour to introduce my wife, Melania. Her speech and demeanor were absolutely incredible. Very proud!" Trump tweeted.
Jason Miller, senior communication advisor to the Trump Campaign, said: "In writing her beautiful speech, Melania's team of writers took notes on her life's inspirations, and in some instances included fragments that reflected her own thinking.
"Melania's immigrant experience and love for America shone through in her speech, which made it such a success."
In a tweet, US President Barack Obama's former speechwriter Jon Favreau said he was more offended by every other speech than Melania's alleged plagiarised paragraphs.
