Kevin Federline wants his ex-wife Britney Spears to be 'healthy and happy' as her conservatorship battle with her dad, Jamie Spears, plays out in court. On Wednesday, Britney, 39, pleaded with a Los Angeles judge to free her from her court-ordered conservatorship, which has given father Jamie almost complete control over her personal life and $60 million fortune for the last 13 years. And Kevin – who was married to Britney between 2004 and 2007, and shares sons Sean, 15, and Jayden, 14 with the star – is supporting whatever is best for her, according to his divorce attorney, Mark Vincen...