Conversation so far:
What did Rebel Wilson do first early in her career?
Wilson studied at the Australian Theatre for Young People (ATYP)
After Rebel Wilson studied at ATYP what did she do?
In 2003 she moved to New York after winning the ATYP International scholarship, which was funded by Nicole Kidman.
What did Rebel Wilson do in New York?
While she was in New York, Wilson trained with The Second City.

Question: When did she first start performing?
Self-contained rewrite: When did Rebel Wilson first start performing?