Celtic celebrated in style with a mauling of Motherwell before lifting the trophy.
Kyogo and Giorgos Giakoumakis both bagged doubles while Jota and David Turnbull completed the rout.
The Hoops mathematically sealed their title in midweek but this was the icing on the cake.
Kyogo pounced on a mistake by Victor Nirennold to put his side in front in the 22nd minute and the Japanese star added his second before the break, shortly after David Turnbull had made it two.
Celtic were in no mood to let up after the break with Jota sweeping home the fourth on the hour before substitute Giakoumakis completed the rout by netting in the 68th minute and again in stoppage time.
A much-changed Rangers side still had enough to wrap up their domestic campaign with a 3-1 win at Hearts.
Giovanni van Bronckhorst rested all his big names ahead of his side's Europa League final in Seville on Wednesday and it threatened to backfire when Peter Haring gave Hearts the lead.
Hearts - who face Rangers again in next weekend's Scottish Cup final - lost Liam Boyce to a groin strain in the first half as Rangers hit back to turn the tie around.
Cedric Itten and Alex Lowry put the visitors in front before half-time and debutant Cole McKinnon wrapped up victory late on.
Dundee United secured fourth place with a 2-1 win at Ross County in a match marred by the behaviour of the visiting fans.
Blair Spittal gave the home side a 66th minute lead but Nicky Clark equalised from the penalty spot and found the net again five minutes from time.
The game was delayed by visiting fans throwing beach balls and pyrotechnics on to the pitch, and again after Clark's winner by a pitch invasion that left one of their own players requiring treatment.
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