Conversation so far:
Did Gwen Stefani win any awards?
Gwen Stefani has won several music awards, including one Grammy Award, four MTV Video Music Awards, one American Music Award, one Brit Award, and two Billboard Music Awards.

Question: What other achievements did she have?
Self-contained rewrite: What other achievements did Gwen Stefani have besides several music awards, including one Grammy Award, four MTV Video Music Awards, one American Music Award, one Brit Award, and two Billboard Music Awards?