Justin Bieber turned down a $5 million offer to perform at an event in Cleveland during the Republican National Convention after his manager, Hillary Clinton supporter Scooter Braun, threatened to quit if he did, TMZ reports.

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Credit: Jennifer Brett

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Credit: Jennifer Brett

At first Braun suggested Bieber hang Black Lives Matter banners on the stage; when that idea was scotched he "told Justin it was up to him if he wanted to do the show, but he said he couldn't continue to represent the singer if he did, out of principle," TMZ reports.

This week's Democratic National Convention has boasted a high wattage star roster, with celebs like Meryl Streep, Chloe Grace Moretz and Katy Perry making appearances in support of Clinton. A parallel roster including Susan Sarandon, Shailene Woodley and Rosario Dawson attended to support Clinton's erstwhile rival, Bernie Sanders.

One of the biggest celebs name on the GOP convention roster wasn't actually on it; NFL player Tim Tebow reportedly had been scheduled to appear at the event but disputed that notion and did not attend .

Caitlyn Jenner was in Cleveland, though not at the convention itself.

"The party conventions are like the political Olympics, and I'm excited to be headed to Cleveland to stand with my fellow LGBT Republicans and allies," Jenner, who won the 1976 Olympic decathlon gold medalist as Bruce Jenner, said in a statement sent to The Daily Beast. "As a proud Republican and transgender woman, I want to support courageous Republicans who advocate for LGBT freedom … I want to do my part to persuade more Republicans to support freedom for millions of LGBT Americans."