If slow jams and love songs are what you need to celebrate Valentine's Day, let's take a look at 20 R&B classics that should be on every Feb. 14 playlist.

THE WEEK’S MOST POPULAR CURRENT R&B SONGS ACROSS ALL GENRES, RANKED BY STREAMING ACTIVITY DATA BY ONLINE MUSIC SOURCES TRACKED BY LUMINATE, RADIO AIRPLAY AUDIENCE IMPRESSIONS AS MEASURED BY ...