Amazon UK offers the Forever Marilyn 4-Film Collection on Blu-ray for $14.26 (£9.99). During checkout, it drops to $11.89 (£8.33). With $4.40 (£3.08) for shipping, that's the lowest total price we could find by $2. The collection includes Gentlemen Prefer Blondes, How to Marry a Millionaire, The Seven Year Itch, and Some Like it Hot.

This Blu-ray set is region-free, and the films themselves will play on US Blu-ray players, but note that the extras and special features may not.