Manager Steven Gerrard joined in a chorus of Rangers anthem 'Simply the Best' as he partied with fans in the pub.
The title-winning Ibrox gaffer sang along as supporters toasted the club's Premiership success.
Gerrard and coach Tom Culshaw can be seen in video footage recorded and posted on Twitter from a raucous venue on Friday evening.
Jubilant supporters looked thrilled and filmed the singalong on their phones as Tina Turner's "The Best" blares throughout the venue.
A bold pair climbed onto seats adjacent to Gerrard and unfurled a flag with Ibrox star Scott Arfield and the words 'can you see us now?' printed across it.
Rangers fans have used the phrase to taunt Celtic after dethroning their city rivals and scuppering their bid for a dream 10 In A Row.
Indoor hospitality in Scotland - with the exception of Glasgow and Moray - was allowed to reopen this week following a loosening of Covid-19 restrictions.
