Visitors Glasgow City swept aside Celtic 4-0 to move to within three points of a seventh consecutive Scottish Women's Premier League title.
Saves from Gemma Fay kept Celtic level until Ruesha Littlejohn headed in from a Leanne Ross before the break.
Former Scotland striker Julie Fleeting missed a good chance to equalise before Eilish McSorley volleyed City's second.
Ross made it three from the penalty spot before Jessica Fishlock completed the scoring with a thundering drive.
Victory stretches Glasgow's lead over Hibernian to 13 points, while Celtic remain in fifth.