As the Democratic National Convention finale approaches, speculation over a surprise guest reaches a fever pitch. With names like Beyoncé and Taylor Swift leading the rumors, social media is ablaze with excitement. Former Republican figures Mitt Romney and George W. Bush have also been drawn into the speculation, fueling the mystery further. After Oprah Winfrey's unexpected endorsement of Kamala Harris, the convention's final night is set to be a highlight, with attendees eagerly awaiting the big reveal.