The pertinent bit from last year's article:  I studied with Rebel at Tara Anglican School for Girls in North Parramatta, Sydney,” spills the source. “But no-one knew of a Rebel Wilson. Her name is – or was – Melanie Elizabeth Bownds, and she’s 36 – she was born in 1979 and we left school in 1997.”  http://www.womansday.com.au/celebrity/australian-celebrities/will-the-real-rebel-wilson-please-stand-up-12574