Rangers fans flew a mocking plane banner over Tannadice Park while Dundee United hosted Celtic on Sunday.
Steven Gerrard’s men are on the verge of being crowned Scottish champions after their 3-0 win over St Mirren on Saturday.
Celtic must beat Dundee United or Rangers’ title triumph will be confirmed.
Regardless, the result looks inevitable with Rangers currently 21 points clear.
Celtic’s bid for ten league titles in a row is on the verge of ending and Rangers are set to become Scottish champions for the first time since 2011.
As a result, their fans organised a plane banner to fly during the game which read: “Can you see us now?! #55TITLES.”
Rangers’ celebrations are in full swing, despite nothing being officially confirmed yet.
The players gathered to a corner of Ibrox to salute the fans stood outside the stadium after the final whistle on Saturday.
They carried on in the dressing room afterwards with manager Gerrard right in the thick of the action.