Charlie Sheen's ex Brooke Mueller leaves sober house

Charlie Sheen's ex Brooke Mueller leaves sober houseCharlie Sheen's ex Brooke Mueller leaves sober house to take twins to Kathy Hilton's birthday lunchCharlie Sheen's ex-wife Brooke Mueller took some time out from her sober living facility to attend Kathy Hilton's birthday lunch today.The 32-year-old was accompanied by her adventurous twin sons Bob and Max, two, who wore matching Burberry shorts