Washington DC, May 19 -- US President Donald Trump has called for an investigation into Kamala Harris's use of celebrity endorsements during her presidential campaign in 2024, alleging the payments made to the high-profile entertainers amounted to illegal campaign contributions.

Trump questioned the financial transactions between the Harris campaign and stars like Bruce Springsteen, Beyonce, Oprah Winfrey, and Bono.

Sharing a post on social media platform Truth Social, Trump wrote, "How much did Kamala Harris pay Bruce Springsteen for his poor performance during her campaign for president? Why did he accept that money if he is such a fan of hers? Isn't that a major and illegal campaign contribution? What about Beyonce? ... And how much ...