From Beyoncé to Lady Gaga, who else sang the national anthem at presidential inaugurations?
President-elect Donald Trump has selected opera tenor Christopher Macchio to perform the national anthem at his second ...
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Elon Musk is on track to become Twitter's most-followed account. From Barack Obama to Katy Perry, here's how his rivals rank.
Former President Barack Obama has the most Twitter followers ... still ranks in the top 10 most-followed Twitter accounts. Lady Gaga ranks ninth with 84.9 million users following her In 10th ...