pbr Sandra Bullock has revealed she has filed for divorce from her husband Jesse James and has also adopted a baby.br ppbr The Oscar-winning actress is pictured on the front cover of this week's edition of People magazine holding the newborn.br ppbr Apparently Sandra and Jesse began adoption proceedings four years ago and brought three-and-a-half-month-old Louis Bardo home in January.br ppbr But the couple decided to keep it to themselves until after the Oscars where Sandra won Best Actress for her performance in The Blind Side.br ppbr However Sandra and Jesse then separated following allegations that Jesse had been unfaithful.br ppbr In the exclusive interview, 45-year-old Sandra says she has adopted Louis - who was born in New Orleans - as a single parent, revealing she is filing for divorce.br ppbr Speaking about the end of her five year marriage to Jesse, the magazine quotes Sandra as saying: "I'm sad and I am scared."br ppbr But Sandra is clearly feeling elated about becoming a mum. She told the publication: "He's just perfect, I can't even describe him any other way.