A Gothic hip-hop artist charged with killing a London break dancer with an illegal buttocks injection claims one celebrity who sought her out became "a walking billboard" for her body-sculpting work.

Padge-Victoria Windslowe claimed on the stand Friday that Philly model Amber Rose started receiving her injections before she became famous.

She says Kanye West dropped her off for one procedure when the two were dating.

Windslowe also stated under oath that Rose brought her many clients and that she was supposed to inject Nicki Minaj but the appointment was canceled after Claudia Aderotimi's death. The London college student and model died being injected with low-grade silicone at an airport hotel in Philadelphia.

Representatives for Rose did not immediately respond to emails by The Associated Press and calls by NBC10 requesting comment.

Under cross-examination Windslowe has tried to explain the dizzying array of names, addresses, businesses and identities she has amassed in the 20 years she admits doing underground cosmetic surgery on the side.

She says her "Black Madam" title comes from many lucrative years running an escort service. Windslowe says: "I was the best."

Windslowe is charged with third-degree murder in the 2011 death of Aderotimi.