United States international Timothy Weah scored on his debut for Celtic as the Scottish champions beat Airdrieonians 3-0.
Celtic secured an unprecedented successive domestic treble in commanding style with a 2-0 Scottish Cup final win over Motherwell at Hampden Park.
The "Hampden Roar" is as loud being right next to a roaring lion and almost as deafening as a jet engine taking off, according to a study.
Celtic hammered hapless 10-man Rangers 4-0 at Hampden Park to book a William Hill Scottish Cup final date with Motherwell next month.
Celtic will face Rangers in the Scottish Cup semifinals, with Motherwell tipped to face the winners of the replay between Kilmarnock and Aberdeen.
Jason Cummings scored a hat trick as Rangers booked their place in the Scottish Cup semifinals with a 4-1 romp over Falkirk at Ibrox.
Moussa Dembele's second-half double and a late strike from substitute Odsonne Edouard gave holders Celtic a 3-0 Scottish Cup win over Morton.
Alan Forrest, brother of Celtic winger James Forrest, took advantage of a mistake by Gers keeper Wed Foderingham to give League One side the lead.
James Forrest scored a hat trick as Celtic overcame Partick Thistle 3-2 in their Scottish Cup fifth-round clash at Parkhead.
Josh Windass' hat-trick gave Rangers a 3-0 victory as they produced a professional display to dispatch Fraserburgh from the William Hill Scottish Cup.
Holders Celtic eased into the fifth round of the Scottish Cup with a 5-0 home win over struggling Brechin.