7. Marilyn Monroe’s “Happy Birthday” Dress – $4.8 Million

The dress worn by Marilyn Monroe when she serenaded President John F. Kennedy on his birthday sold for $4.8 million. The dress, designed by Jean Louis, was made from sheer fabric adorned with over 2,500 crystals, making it both iconic and exquisite. Its high price tag reflects the lasting legacy of Monroe as an enduring fashion and pop culture icon.
Worn during one of the most memorable moments in Hollywood history, this dress is a piece of American history as much as it is a masterpiece of design. It’s one of the most valuable fashion pieces ever sold at auction.