Simplify the following text for a Grade 8 native English-speaking person.
Original: Antonia `` Toni '' Collette ( born 1 November 1972 ) is an Australian actress and musician , known for her acting work on stage , television and film as well as a secondary career as the lead singer of the band Toni Collette & the Finish .
Simplified: Antonia `` Toni '' Collette is an Australian actress .