The Oscar-winning actress brought home baby Louis Bardo, now three and a half months old, in January prior to the breakdown of her marriage to Jesse James.
The 45-year-old is pictured with the child, who was born in New Orleans, on the cover of the latest issue of America’s People magazine.
She also confirmed that she has officially filed for divorce from James.
Bullock and James, 41, began the adoption process four years ago and took custody of the boy just weeks after his birth.
The former couple initially decided to keep the news of the adoption secret until after the Academy Awards, which saw her named best actress for The Blind Side.
In the film, which is based on a true story, Bullock plays a Southern women who adopts a homeless African-American boy who goes on to become a football star.
Just 10 days after the star’s triumph at the March 7 ceremony, tattoo model Michelle ‘Bombshell’ McGee went public with claims she had an 11-month affair with James.
Of her decision to end her five-year marriage, Bullock told People: ‘I’m sad and I am scared.’
When asked about whether James had cheated, Bullock said she ‘had no idea about anything.’
‘I did the only thing I could do, and that was to pack enough clothes to live on, get all of Louis’ things and get out of town. My main concern was Louis.’
Despite her heartache, she is revelling in caring for the new addition: ‘He’s just perfect, I can’t even describe him any other way.
‘All I said when I met him was “Oh, there you are”. It was like he had always been a part of our lives.’
The baby is named after jazz great Louis Armstrong, famous for the song, What A Wonderful World.
She said her life now involved waking up, feeding the baby, burping him, playing with him and doing the laundry, adding: ‘I’m just amazed with him and at life.’
Bullock said of the subterfuge involved in keeping Louis secret: ‘People that I had worked with for years couldn’t understand why I wouldn’t let them into my house for [Oscar ceremony gown] fittings.’
After James’ affair allegations emerged – and more claims of infidelities surfaced – the motorcycle mogul apologised, conceding he had shown ‘poor judgement’.
He subsequently checked into a treatment facility to address ‘personal issues’.
He was spotted near his Huntington Beach home without his wedding ring on Monday after completing a 30-day rehab stint.
When asked whether James will have any formal parenting role in Louis’ life, she replied: ‘I will be adopting as a single parent. Anything else will be taken day by day.’
She said of her relationship with Jesse’s three children Sunny, 6, Jesse Jr., 12, and Chandler, 15: ‘I don’t want to know what life is like without those kids. Whatever we need to do, in the healthiest way, we are going to be co-parenting.’
James told the publication: ‘The decision to let my wife end our marriage, and continue the adoption of Louis on her own, has been the hardest. The love I have for Louis cannot be put to words.
‘Not having him around to love and to hold has left a huge hole in my heart.’
James was previously married to a former porn star, Janine Lindemulder.
