The Most Added honors at T40 this week go to Maroon 5's "Don't Wanna Know" f/Kendrick Lamar (222/Interscope), with 159 adds on impact. Republic secures three songs on the Top 10 add board today, as Shawn Mendes' "Mercy" (Island) gathers 28 adds on impact, Ariana Grande's "Side to Side" f/Nicki Minaj scores 20 more stations while another 16 come in for DNCE's "Body Moves." Epic fastens 27 adds onto Fifth Harmony's "That's My Girl" while Columbia adds 21 stations to John Legend's "Love Me Now." Def Jam brought 18 new adds to the party for Rihanna's "Love On The Brain" (Westbury Road/Roc Nation) and rounding out the Top 10 is Mom & Pop/RED with 12 more for Flume's "Say It" f/Tove Lo.