Kris Commons scored two goals as Celtic ran out comfortable 3-0 winners against Hibernian, but the Glasgow club must wait to be crowned champions of the Scottish Premier League.
James McFadden equalised for Motherwell six minutes from time in their 2-2 draw with St. Mirren to deny Celtic and revive their hopes of playing Champions League football next season.
Former Scotland boss Craig Brown's final game as a manager ended in defeat as his Aberdeen side conceded the only goal of the game right at the death at Dundee United.
Michael Ngoo netted twice in the day's early kickoff in Hearts' 4-2 defeat of Ross County and bottom side Dundee picked up a rare victory at Kilmarnock.
Results in full: Hearts 4-2 Ross County. Celtic 3-0 Hibernian, Dundee United 1-0 Aberdeen, Kilmarnock 1-2 Dundee, Motherwell 2-2 St. Mirren