About 8,100 delegates across the province begin voting at 8:00 this morning in the provincial Liberal leadership.
Randy Delorey, Labi Kousoulis and Iain Rankin are running to be the next Liberal leader and Premier.
All three made their final pitches to delegates last night in speeches streamed on the Liberal Party website.
The voting period ends at 3:00 on Saturday afternoon.
The winner will be announced during a virtual leadership convention due to start at 5:00 that evening.