RCA impacted Britney Spears' "Slumber Party" f/Tinashe with 29 adds today. Columbia put another 28 adds on Adele's "Water Under The Bridge" (XL), bringing their total to 81 new stations in two weeks. Def Jam keeps piling on the new believers to Rihanna's "Love On The Brain" (Westbury Road/Roc Nation), adding 17 stations this week. Warner Bros. put 16 more adds on Lukas Graham's "You're Not There." Shawn Mendes' "Mercy" (Island) pulls in another 15 stations, while Amine's "Caroline" (Republic) grabs 12 . Epic pulled in another 13 for DJ Khaled's "Do You Mind" (We The Best). And that's your Most Added for this week...HAVE A GREAT THANKSGIVING EVERYONE!