For a third week in a row, Republic takes the #1 spot on the T40 chart—each week with a different artist— and this time, it's Demi Lovato's "Sorry Not Sorry" (Hollywood/Island) that climbs to the top. Atlantic moves Portugal.The Man's "Feel It Still" up to #2. Logic's "1-800-273-8255" f/ Alessia Cara & Khalid (Def Jam) takes a big jump up to #3. Camila Cabello's "Havana" f/Young Thug (Syco/Epic) is one of the week's Greatest Gainers and moves up inside The Top 20, along with Ed Sheeran's "Perfect" (Atlantic). Charlie Puth's "How Long" (Atlantic) and Khalid's "Young Dumb & Broke" (Right Hand Music Group/RCA) join the Top 30. Debuting on the chart this week will be Niall Horan's "Too Much To Ask" (Capitol) and Yo Gotti's "Rake It Up" f/Nicki Minaj (CMG/Epic).