Hewett was a guest vocalist with The Incredible Penguins in 1985 for a cover of "Happy Xmas (War Is Over)", a charity project for research on little penguins, which peaked at No. 10 on the Australian Kent Music Report in December [REF].
From 3 August to 14 September 2006 she played Marion Woolnough, the mother of Peter Allen, in the Australian tour of The Boy From Oz headlined by Hugh Jackman [REF].