Hosts Ireland won a nail-biting Women's Rugby World Cup Pool C opener against battling Australia in Dublin.
Larissa Muldoon's converted first-half try, against a Mahalia Murphy score, had Ireland 7-5 ahead at the interval.
Shannon Parry's touchdown edged the Wallaroos in front but replacements Ciara Griffin and Sophie Spence crossed to put Ireland on the road to victory.
The 2014 semi-finalists survived a late scare after prop Hilisha Samoa's try was converted by Ashleigh Hewson.
