In a world fascinated by the rich and famous movie stars of Hollywood, it's no surprise that some people are willing to pay a hefty price for a piece of their favourite film.

Costumes kept in pristine condition, iconic silverscreen objects and flash cars are high on film collectors' shopping lists, with some pieces selling for eye-catching amounts.

Flick through our gallery above to discover the most expensive pieces of silverscreen souvenirs ever sold at auction.

Marylin Monroe's iconic 'Subway' dress sold for $4.6m (£3m) in a June 2011 auction at Profiles in History. The dress, seen in The Seven-Year Itch, was sold from the huge collection of movie memorabilia once owned by singer and actress Debbie Reynolds

The first of six Batmobiles produced for the 1960s ABC Batman TV series sold at Barratt-Jackson auction for $4.5m (£2.9m). The car was designed by Hollywood car customiser George Barris and took just 15 days to build

The 1964 Aston Martin DB5 driven by Sean Connery as James Bond in Goldfinger and Thunderball sold for $4.1m (£2.6m) at RM Auctions in October 2010. It was estimated to sell for more than $5.5m (£3.6m)

The Maltese Falcon statue from the movie of the same name sold at auction for $4m (£2.59m) at a Bonhams New York auction in November 2013. The falcon statue was one of two made for the film but only one is known to have appeared on screen

The 'Ascot' dress worn by Audrey Hepburn in My Fair Lady sold for $3.7m (£2.4m) at the 2011 Profiles in History sale of Debbie Reynolds' collection. It was bought by Reynolds 10 years previously for a mere $100,000 (£65,000)

The famous piano played by Humphrey Bogart as Rick Blaine in Casablanca sold for £3.4m in a sale of Warners Brothers props at Bonhams in November 2014. It was previously owned by Dr Gary Milan, a Los Angeles dentist

In the same Bonhams auction that sold the Casablanca piano, the Cowardly Lion costume, worn by Bert Lahr in The Wizard of Oz went for $3m (£1.94m). A second lion costume used in the film sold for nearly $1million in a previous auction

One of four pairs of ruby red slippers worn by Judy Garland in The Wizard of Oz, this set was bought at a 2012 Profiles in History auction for $2m (£1.3m) by Steven Spielberg and Leonardo DiCaprio. They gifted the shoes to the Academy of Motion Picture Arts & Sciences. Another pair worn by Garland in the film were stolen 10 years ago from the Judy Garland Museum and have a $1m reward for locating them