The cast of Saved By The Bell have started to post tributes to former co-star Dustin Diamond, who has died at the age of 44.

The actor, who played Samuel 'Screech' Powers in the much-loved kids comedy, died on Monday morning just weeks after being diagnosed with stage four lung cancer.

"Deeply saddened to hear of the passing of Dustin Diamond, a true comedic genius. My sincere condolences to his family and friends. Looking back at our time working together, I will miss those raw, brilliant sparks that only he was able to produce. A pie in your face, my comrade."
- Mark-Paul Gosselaar (Zack Morris)

"I am deeply saddened by the news of my old co-star @realdustindiamond passing. Life is extremely fragile and it's something we should never take for granted. God speed Dustin."
- Tiffani Thiessen (Kelly Kapowski)

"Dustin, you will be missed my man. The fragility of this life is something never to be taken for granted. Prayers for your family will continue on..."
- Mario Lopez (AC Slater)