The visitors are also undefeated in their opening three matches, although one of those games featured a draw, but they will be hoping for an immediate response from their midweek defeat in Europe.
Match preview
Celtic Park has become a fortress in recent times for Ange Postecoglou's team after they were undefeated at home in the league last season, which is a record they continued on the opening day of this season against Aberdeen.
That 2-0 win extended their impressive run at home, which is something the squad will once again be hoping to push when they face Hearts as the Hoops aim to continue sitting top of the league.
Celtic followed the game against the Dons by defeating Ross County, and their most recent performance was the most impressive of the lot as they defeated Kilmarnock 5-0.
One of the biggest takeaways from that game was the fact that all five goals were scored by different people, showcasing the attacking qualities that the squad has across the pitch.
Right now only goal difference separates Celtic and Rangers, and that is something that they will be aiming to either maintain or improve upon in what is going to be their toughest test of the season so far.
Hearts have made an undefeated start to their SPL campaign this season with two victories and a draw, showcasing that once again they are prepared to push the Old Firm rivals.
While the Jam Tarts have yet to keep a clean sheet this season, they have scored seven goals across those matches, proving the attacking qualities that they have at their disposal as well.
The most recent fixture they played in the league was their strongest to date as Hearts defeated Dundee United 4-1, starting the game with a goal in the first minute from Lawrence Shankland as they continued attacking until the end, with the fourth being scored in the 95th minute.
Unfortunately for Robbie Neilson, his men were unable to replicate that form in midweek when they faced FC Zurich in their Europa League play-off first leg match.
Even though Shankland put his team in the lead via the penalty spot, Hearts were ultimately beaten 2-1, which is a result they will now be looking to put behind them.
Celtic Scottish Premiership form:
Celtic form (all competitions):
Hearts Scottish Premiership form:
Hearts form (all competitions):
Team News
Postecoglou has named the exact same starting lineup for his previous two matches, and considering the results have been so positive it is unlikely that he is planning to tweak that here.
The only major decision he will have is in the attack as he has to decide who starts upfront between Giorgos Giakoumakis and Kyogo Furuhashi, which is not a simple one considering they both scored last weekend.
Shankland has proven himself to be a major attacking threat for the visitors so far this season, and his form in front of goal will no doubt provide a test for the Hoops defenders on Sunday.
Alex Cochrane and Craig Halkett were both injured in the most recent SPL match, but they were fit enough to feature in midweek even though the latter did not make it through the entire 90 minutes.
Celtic possible starting lineup:
Hart; Juranovic, Carter-Vickers, Jenz, Taylor; Turnbull, McGregor, O'Riley; Jota, Maeda, Furuhashi
Hearts possible starting lineup:
Gordon; Atkinson, Halkett, Kingsley, Rowles, Cochrane; Grant, Haring, Devlin; McKay, Shankland
We say: Celtic 2-0 Hearts
Hearts will be sure to provide a tough test for Celtic due to the attacking qualities they have, and so far this season their performances have been impressive.
However, the Hoops are operating at an extremely high level right now having taken the momentum from last season into the new campaign, which is why they should have enough quality to edge this one.