Mary J. Blige joined Taylor Swift to perform 'Family Affair' and 'Doubt' at Taylor's 2015 Los Angeles concert during 'The 1989 World Tour.' ...

THE WEEK’S MOST POPULAR SONGS RANKED BY ADULT R&B RADIO AIRPLAY DETECTIONS, AS MEAURED BY MEDIABASE AND PROVIDED BY LUMINATE. STATIONS ARE ELECTRONICALLY MONITORED 24 HOURS A DAY, 7 DAYS A WEEK ...