[3] On 4 November 1996, Grimshaw was appointed the co-host of Today with Steve Liebmann, a position she held for nine years.
[4] On 30 January 2006, Grimshaw began presenting A Current Affair, replacing Ray Martin.
In May 2006, she interviewed Beaconsfield Mine collapse survivors Todd Russell and Brant Webb in a special two-hour presentation called The Great Escape.
On 5 September 2022, Grimshaw announced that she would step down as host of A Current Affair on 24 November 2022 after 17 years.
[8] On 7 May 2015, she was involved in a horse riding accident believed to have been at her property in Sydney's north-western suburbs.