December 21st - Ariana Grande's Unexpected Engagement, Ed Sheeran's Surprising Drop 'Afterglow' & Taylor Swift's No. 1 Album 'Evermore'

Ariana Grande took to social media to announce her engagement to Dalton Gomez, Ed Sheeran surprises fans with a new ballad "Afterglow" and Taylor Swift notches an eighth No. 1 album with her latest record, 'Evermore.' This is Billboard News Now, rounding out the top music news for Monday, December 21st. 

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