The cast of Grease: See what they look like 41 years on ...

Since blasting onto our screens in 1978, watching Grease has become a rite of passage for each new generation of teenagers.

If you've ever wondered what happened to the cast of Grease - which turns an unbelievable 41 today - here's your chance to get reacquainted with the T-Birds and the Pink Ladies of 2019.

Prepare to be shocked!