Which are the most popular songs played by DJs at weddings? To find out, Billboard went to the source: top wedding DJs from across the U.S. We asked DJs from New York to Los Angeles and Washington, D.C. to Las Vegas (13 cities in all) to submit a list of their most-played songs. We arrived at our ranked list — which counts down from No. 100 to 1 — by a mixture of the overall popularity of a song by the DJs (that is, how many times they were submitted) and editorial curation. Check out the list — and get ready to celebrate good times!