Celtic scored four goals as they defeated Hearts to remain nine points ahead at the top of the Scottish Premier League.
Norwich City target Gary Hooper bagged a brace as the Hoops came out on top 4-1 against the Edinburgh club.
Inverness Caledonian Thistle ensured that the lead didn't increase as Billy McKay also scored two goals in his side's 3-0 victory over Aberdeen. The Highland side have not lost since November.
Ross County also recorded a convincing win in the league's early kickoff, beating St Mirren 4-1 away from home.
Dundee United achieved their first win in six games thanks to a hat-trick from Johnny Russell, who became the club's leading goalscorer.
Bottom side Dundee picked up a rare point in a 1-1 draw at Hibernian.
Results in full: St Mirren 1-4 Ross County, Celtic 4-1 Hearts, Hibernian 1-1 Dundee, Inverness Caledonian Thistle 3-0 Aberdeen, Kilmarnock 2-3 Dundee United