Summary: Cabello called in to the Billboard Hot 100 Top 10 Countdown on Facebook Live (Jan. 22) and celebrated her first No. 1, "Havana." <br><hr><p style="color: grey;">See <a style="color: grey;" target="_blank" rel="noopener noreferrer" href="https://acast.com/privacy">acast.com/privacy</a> for privacy and opt-out information.</p>
