For 2015, the list was published on December 9, calculated with data from December 6, 2014 to November 28, 2015. See You Again. Fifth Harmony feat. 2. 13. The track, which features Bruno Mars, notched up a … It spent the longest time at number 1 for the year, 14 weeks, and … Honey, I'm Good. Honey, I'm Good. What Do You Mean? It dominated the dancefloor throughout the year, so it was only natural Mark Ronson’s Uptown Funk is the biggest song of 2015. The funk track "Uptown Funk" by British producer Mark Ronson, featuring American singer Bruno Mars, who co-wrote and voiced the lyrics was named the number 1 song of 2015, despite being released in late 2014. Ed Sheeran. Top 100 Pop Songs in 2015. Also appears on these Year End Charts. The 50 best songs of 2015, including Adele, Drake, Fetty Wap, the Weeknd and more. Mark Ronson Featuring Bruno Mars.

Thinking Out Loud. This is a list of singles that charted in the top ten of the Billboard Hot 100, an all-genre … 3. Also appears on these Year End Charts. Jason Derulo equalled Ellie Goulding's 2015 record with 4 weeks at No.1 with this banging tune before it was knocked off the top by Tinie Tampa and Jess Glynne's 'Not Letting Go'.