The towering centre-back arrived in Glasgow earlier this summer from Toulouse, with the Scottish champions forking out a reported £7 million for the 26-year-old.
However, despite featuring in a friendly with Rennes, Jullien has been forced to wait for his official bow in the iconic green and white jersey, with Lennon opting for a combination of Kristoffer Ajer, Nir Bitton and Jozo Siminuovic ahead of the Frenchman.
Celtic thrashed their Estonian opponents 5-0 at home last Wednesday night, and will play the second-leg of their second-round Champions League qualifier in Tallinn tomorrow night, and it seems fans will finally get a good look at their latest signing.
Neil Lennon confirmed plans to hand Jullien his debut in his press conference earlier today:
So, do you think Jullien will go on to be a genuine star for Celtic?
Let us know in the comments section below…