The further into "the 2020s" (doesn't sound real) we get, the more I am. Look back at some of your favorite songs from the decade of peplum tops, statement necklaces, and skinny jeans.

The most popular 21st century Christmas songs are ranked by streams and sales, including tracks by Ariana Grande, Taylor Swift and Sabrina Carpenter.

Programming note: these songs were selected with our list of the 10 Best Albums of 2024 in mind, so to showcase a greater range of music, no artists appear on both.

Billboard marked "Happy" as the best-selling song of 2014 and 21st on its 2010 decade-end chart ... he was commissioned to ...