She said under cross-examination that the star's ex-boyfriend Kanye West dropped Rose off for one procedure when the two were dating and that she was supposed to perform a "correction" on Nicki Minaj, but that never ended up happening.
Neither of the stars have spoken out about these claims. E! News has reached out to Rose for comment.
The 45-year-old, who has been doing this service for 20 years now, told the court, "I was the best, and I don't mean that to be cocky."
Windslowe is charged with third-degree murder in the 2011 death of Claudia Aderotimi, who was injected with low-grade silicone at a Philadelphia airport hotel.
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