A man accused of murdering his girlfriend allegedly told another woman "there's this thing in the bathtub and you've got to see it", the Supreme Court has heard.
Andrew Baker has pleaded not guilty to murdering Sarah Gatt, whose decomposed body was found in the bathroom of her Kensington flat by police in January 2018.
Prosecutors allege Mr Baker killed Ms Gatt around April 2017 and dumped the body in the bathtub, covering it with a sheet and household items.
Ms Gatt had been in a long-term relationship with Mr Baker, but had also been in an on-and-off romantic relationship with another woman, Leona Rei-Paku.
Ms Rei-Paku told the Supreme Court her contact with Ms Gatt stopped suddenly in April 2017, and when she went to the Kensington home to check on her, the blinds were shut and the power had been disconnected.
At a later date, Ms Rei-Paku said she bumped into Mr Baker at a homeless shelter, and "didn't get a straight answer" about Ms Gatt's whereabouts.
It was then Mr Baker allegedly invited her back to the Kensington house, and said: "there's this thing in the bathtub and you've got to see it".
Ms Rei-Paku said she and Mr Baker went up to the second level and entered the bathroom.
"He said: 'Look, there's a foot,'" she told the court.
"I went and pulled the sheet [back] and there was like a skeleton foot and an ankle. Now I know it was real, but then I didn't know if it was real. It was really dark and black."
Ms Rei-Paku, who sobbed while giving evidence, said she feared Mr Baker would hurt her so she ran out of the house.
She said Mr Baker caught up with her, and the pair then went back to Ms Rei-Paku's house where they drank alcohol and consumed drugs.
"Nobody said it was Sarah," she said.
Ms Rei-Paku said she didn't report what she had seen to police. Prosecutors said Mr Baker also showed the body to other people, who also did not come forward.
Ms Rei-Paku is set to return to the stand to give evidence on Wednesday.
Mr Baker's defence lawyers have previously argued that while Mr Baker knew about the body in the bathtub, it didn't mean he was the one responsible for Ms Gatt's death.
They said her death may have been caused by someone else or she could have died in an accident.
Earlier in the trial, Mr Baker's lawyer, John Saunders, said Mr Baker, Ms Gatt and some other witnesses in the trial lived "on the outskirts of society", where their lives were influenced by violence, poverty and drug-taking.
In the years leading up to her death, the court heard Ms Gatt called triple-0 after allegedly being assaulted by both Mr Baker and Ms Rei-Paku on separate occasions.
The court heard Ms Gatt and Ms Rei-Paku had a turbulent romantic relationship, during which Ms Gatt drifted between living with Mr Baker and her new girlfriend.
"I bought her a ring and asked her to marry me," Ms Rei-Paku said.
But Ms Rei-Paku conceded their relationship was marred by disagreements and claims of infidelity.
"One time I backhanded and slapped her because of a mischievous incident with another male," Ms Rei-Paku said.
Prosecutors tendered a statement Ms Gatt made to police in September 2016, after she called triple-0 because of an altercation with Ms Rei-Paku.
"I fear Leona," Ms Gatt wrote in her statement. "She's belted me twice before. I don't want her to come back to my house."
The trial, before Justice Jane Dixon, continues.
