Mathew Rosengart is speaking out after his former client's arrest. The famous lawyer is known for his involvement with a lot of celeb cases, particularly Britney Spears. He represented her during the #FreeBritney movement when she was fighting back against her conservatorship. With her recent DUI arrest, the attorney addressed Britney's legal troubles with Us Weekly on Friday, saying: "It was my great honor to work with and protect Britney as her litigator, and I will always be proud of her and the work we did together, ranging from helping, at her request and direction, to restore her freedom...