Article continues below advertisementBritney Spears' estrangement from her sons, Sean, 19, and Jayden Federline, 18, wasn't by choice - and after years of little contact, their relationship was severely impacted.Despite concerns about her mental health, sources close to the pop icon revealed in a new interview that she is working hard to reestablish a connection with her children.Article continues below advertisement'They Want Their Mom in Their Lives'Source: @britneyspears/InstagramBritney Spears' sons reportedly 'want' their mom in their lives after being estranged.