Cristiano Ronaldo's personal trainer has been revealed to be none other than British Olympic sprinter Samantha Clayton.
The Real Madrid star is envied worldwide for his fit body and his incredible six-pack stomach muscles and now it can be revealed that the person who plays a key role in keeping the Portuguese striker in such great shape is the equally impressive Samantha Clayton.
The former Great Britain Olympic sprinter and nutrition expert met Ronaldo through her work with American company Herbalife.
Ronaldo and Clayton have been working together with the goal of improving his speed and power.
And since the former Manchester United star mentioned her on social media, she has reportedly become one of the most popular searches on Google.
He first posted a picture with Clayton in the garden of his house, located in the luxury area of La Finca in the Spanish capital Madrid.
He accompanied it with the message: "Working on my speed with the athlete and expert in fitness Samantha Clayton".
British athlete Clayton, who competed in the 2000 Sydney Games, is also a social media star with almost 68,000 followers.
She usually shares pictures of herself during her training routine as well as with her family in her free time.
Clayton, 37, is a mother of four children and is married to the former San Francisco Giants baseball player Royce Clayton.
They now reside in Malibu, California, where she is also trains sprinters at Pepperdine University, as well as being an expert for Herbalife.
Ronaldo's favourite personal trainer has also created a successful fitness programme designed to get people fit in 90 days called 'Be fit in 90.'