St Mirren brushed aside Ayr United as they coasted into the last-16 of the Scottish Cup in Ayrshire.
Backed by an impressive near-2,000 travelling support, the Buddies raced into an early lead courtesy of Kyle McAllister's clinical back post finish.
The Saints were dominant in the first half and deservedly doubled their lead when Jay Henderson cleverly slipped in Greg Kiltie, who curled home a sumptuous strike to bag his first goal for the club.