Taking a weekend gross of $23.2 million compared to the $85 million from the previous week, it still out did Kingsman The Secret Service which hold on in second place.
After 10 days of release Fifty Shades has now taken a US domestic gross of $130.1 million.
Highest new film of the week is Disney's McFarland, USA starring Kevin Costner which enters at number 4 with a weekend gross of $11.3 million.
Also new is The DUFF at number 5 which took $11.02 million from it's debut weekend.
Disappointingly Hot Tub Time Machine 2 could only manager a number 7 debut with $5.8 million.
Robert has been a film buff since he first visited the old Palace Cinema in High Wycome when he was young.
After working for Ritz Video Film Hire, later Blockbuster Express, it cemented his interest in film and gave him the drive to go to university with the intention of working in the industy.
6 years of college/university studying film and Culture and he decided to take a different path, so he taught himself to develop websites.
8 years at Amazon, 3 years at eBay, a year at PayPal and 6 years running his own digital marketing agency and here we are writing and developing saltypopcorn.co.uk.