40-year-old Olga Freeman killed little Dylan by putting a sponge into his mouth and left him lying next to his toys, a UK court was told.
It was reported that the mom had struggled to care for Dylan six months before his death. He suffered from a range of disabilities including autism.
According to Mirror, Joel Smith, prosecuting, said: “The cause of death was found to be restriction of the airways.
“Parts of sponge were found within the throat of the deceased.”
Police found Dylan dead in the master bedroom at the £544,000 flat in Cumberland Park on Sunday after Russian national Freeman walked into a police station.
Freeman wore a grey jumper with her hair tied back at the Old Bailey today.
Dean is also a photographer and is best known for his pictures of members of the Spice Girls and David Beckham.
Freeman, of Cumberland Park, Acton, was remanded in custody ahead of a plea and trial preparation hearing at the Old Bailey on November 4.
Dean Freeman, who is currently in Spain, has also snapped stars such as Bradley Cooper and Emily Ratajkowski.
He said in a statement released earlier this week: “Dylan was a beautiful, bright, inquisitive and artistic child who loved to travel, visit art galleries and swim.
“We travelled extensively over the years together spending such memorable time in places including Brazil, France and Spain. I can’t begin to comprehend his loss.”