Prizes for best costume and grooviest mover will be awarded at an event on Friday, September 2 at Winwick Hall, which will be in aid of an air ambulance charity.
People are being encouraged to pack a picnic and dress up in Seventies gear for the outdoor cinema evening featuring a screening of the movie Mamma Mia!, which stars Meryl Streep, Colin Firth and Pierce Brosnan.
There will also be a fireworks display synchronized to music.
The event is being hosted by Winwick Hall owner Bruce Green who is a movie buff and has presented the film review slot every Friday morning on Bernie Keith’s BBC Radio Northampton show for 15 years.
Mr Green said: “I know lots of people who have had their lives saved by the efforts of the air ambulance. As a film fanatic, horse lover and fan of the charity I thought holding an outdoor cinema evening would be the perfect way to raise money.
“The local air ambulance receives no government funding and relies totally on public donations to keep the lifesaving helicopters flying.”
The Warwickshire & Northamptonshire Air Ambulance is scheduled to land at Winwick Hall before the entertainment starts and Bernie Keith will DJ a Seventies disco. Prizes will be awarded for the best costume and best dancer.
Tickets for the event - which opens at 5pm - cost £15 per person with under 10s free. They are available online at: www.theairambulanceservice.org.uk/mammamia
Winwick Hall is located not far from Rugby, between Yelvertoft and West Haddon in the village of Winwick. It can be accessed from junction 18 of the M1 or junction 1 of the A14. The postcode is NN6 7PD.
The Warwickshire & Northamptonshire Air Ambulance flies out of Coventry Airport and has its headquarters at Princethorpe.