Season 4 Winner of NBC"s The Voice has been having some fun with her fans for the past 10 weeks with her #DBRequestLine Series. She was going to call it quits a couple of weeks ago after 8 weeks, but she decided to give it 2 more weeks...so here is what could be her final request in this weeks #DBRequestLine. Here's Danielle with Ariana Grande & 'Problem', enjoy!