Britney Spears will do whatever it takes to please her kids. The pop star checked into rehab just a few days ago, according to reports this week, after her scary DUI arrest. Before making this big decision, the singer was surrounded by family and friends, including her sons, Sean Preston, 20, and Jayden James, 19. It turns out they played a MASSIVE role in getting her to take this step for her health! Related: Kevin Federline Reacts To Britney Spears Entering Rehab A source told People on Monday that the boys were a "big part" of encouraging her to seek help.