Youssouf Mulumbu joined Kilmarnock on loan from Brendan Rodgers’s Celtic in the January transfer window.
Glasgow Rangers kept some pressure on the Scottish Premiership leaders with the Ibrox side picking up an important win.
Celtic manager Brendan Rodgers praises Ryan Christie.
Celtic forward Timothy Weah opened his account on Saturday.
The young striker has already shown that he could be a real hit at Celtic.
Michael Johnston and Leicester City-owned Filip Benkovic scored the goals for Celtic against Dundee.
Celtic midfielder Ryan Christie should be back available for selection soon.
Ryan Christie suffered what looked a bad injury for Celtic on Thursday night.
Brendan Rodgers’s Celtic won in the Europa League on Thursday.
Celtic took their place at the top of the Scottish Premiership table with a 5-1 thrashing of Steve Clarke's Kilmarnock at Parkhead.