Ariana Grande’s ‘Problem’ Set for Record Sales Debut NEWS By Keith Caulfield, Los Angeles | May 05, 2014 6:09 PM EDT Grande’s "Problem" with Iggy Azalea is on course for a striking top 10 debut on the Billboard Hot 100 Ariana Grande’s "Problem," featuring Iggy Azalea, is on track to score one of the biggest sales debuts ever for a digital song. Industry forecasters suggest the tune may have sold more than 425,000 downloads in the week ending May 4. [...]