The Hoops midfielder, 18, has committed to the Parkhead side until 2022.
Ewan Henderson is a Celtic player until the year 2022 after Tuesday's extension.
Is Ewan Henderson the next big thing to come through at Celtic?
Ewan Henderson made his second appearance for Celtic on Wednesday night.
Henderson is the younger brother of former Celtic midfielder, Liam Henderson.
Celtic ace Ewan Henderson made his debut against Kilmarnock.
Ewan Henderson made his debut for Celtic on Wednesday night.
Celtic's youngest ever goal-scorer Jack Aitchison has been popping up with plenty of goals this season for the youth team.
The Celtic prospect will be hoping to emulate his older brother by breaking into the first-team but will hope to go one step further.
The Everton midfielder didn't cover himself in glory on his first start of the season.
Pierre-Emerick Aubameyang has already scored six Premier League goals for Unai Emery's Gunners this season - but is Harry Kane the better striker?
The Saints midfielder won plaudits as Ralph Hasenhuttl's side thrashed their bitter rivals on their own turf in the League Cup.
Could Sead Haksabanovic be on his way out of the Premier League and West Ham United after with a move to Serie A on the cards?
Jamie Shackleton is making a big name for himself with Leeds United.
Everton beat Sheffield Wednesday 2-0 on Tuesday night.
Che Adams is yet to score in seven Southampton games and drew a blank again as Ralph Hasenhuttl's side battered Pompey 4-0 in the EFL Cup.
Arsenal beat Nottingham Forest 5-0 on Tuesday night.
Rangers winger Brandon Barker has picked up another injury.
Andy Carroll reportedly won't kick a ball for Newcastle United again this year.