Bernardo's first Celtic goal breaks deadlock, Johnston nets maiden strikes of campaign
Celtic lead Premiership by five points over Rangers
Dundee lie seventh, three points behind Hibernian
Dundee v Celtic (15:00)
Dundee were "extremely disappointed and frustrated" with the decision to postpone Saturday's game at home to Aberdeen despite the club believing their pitch was playable.
No such problems today, with Dens Park having been bathed in sunshine after some overnight frost.
Image source, SNSFormer Celtic captain Scott Brown is an interested spectator at Dens Park
Dundee v Celtic (15:00)
The new team kits, calendars and football boots have been unwrapped, the celebratory dinners and drinks well and truly digested.
Now the seasonal festivities are over - for Dundee, Celtic and their fans at least - it's back to the business of chasing league points.
There's only one Scottish Premiership game this Boxing Day, so our focus will be on Dens Park as the visitors look to extend their lead and the hosts try to stop them.
Stay with us for the build-up, live commentary and post-match reaction here online and on BBC Radio Scotland.
Image source, SNSThe winter sun awaits the players at Dens Park