Why did people think Beyonce would play at the DNC? Because TMZ said so.
Briefly

TMZ’s assertion that Beyoncé would perform at the DNC spread rapidly, prompting speculation; this shows the site's growing influence and acceptance in mainstream news.
The expectation of Beyoncé's appearance was fueled by her connection to Kamala Harris's campaign, where her song 'Freedom' had been featured, highlighting cultural resonance.
Read at Business Insider
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