Britney Spears "dragged her feet" about going to rehab - until her two sons got involved. Wonderwall.com can reveal the troubled singer was given an ultimatum by Sean Preston, 20, and Jayden James, 19, that she seek treatment for her substance issues. 'This is a non-negotiable' Britney Spears' sons are the only people she listens to, insiders say. By: MEGA As her boys are some of the only people she listens to, according to insiders, she agreed with their request and checked herself in voluntarily. "The boys started to get involved.