Cristiano Ronaldo claims his next podcast guest will 'break the internet' in teasing video featuring former Man United team-mate Rio Ferdinand... and fans think they know who it is!

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Cristiano Ronaldo has teased fans by telling them his next podcast will 'break the internet' thanks to a mystery guest.

The 39-year-old Real Madrid and Manchester United legend launched his YouTube channel, 'UR Cristiano', in August and has already gained more than 67million subscribers.

To date, he has uploaded 69 videos, with many of them featuring former United team-mate Rio Ferdinand.

Ronaldo's latest video was uploaded on Sunday and it was titled: 'And My New Guest Is…'

Shot in black and white, it parodied the silent movie era and saw Ronaldo and Ferdinand's apparent conversation displayed via subtitles.

Ferdinand asked Ronaldo who his next guest was going to be but the Al Nassr captain refused to say.

Cristiano Ronaldo (right) uploaded a video to YouTube on Sunday featuring Rio Ferdinand (left)

The video saw Ronaldo tease fans about the mysterious identity of his next podcast guest 

In a silent movie, Ronaldo was quoted as saying the podcast was 'going to break the internet'

Ronaldo said: 'That's why we are muted. It's a secret.'

However, Ronaldo did divulge some information. He confirmed that his next guest was going to be a 'famous person' who is even more famous than him.

Ferdinand then asked: 'How much?' Ronaldo responded: 'Huuuuuge, bro'.

Former England defender Ferdinand then guessed that it might be Ryan Giggs. 'No, but it would be nice', replied Ronaldo.

After Ferdinand asked if the mystery guest was an 'athlete or a singer', Ronaldo hit back by declaring: 'We are going to break the internet'.

Ronaldo's video was obviously designed to cause intrigue and it appears to have had the desired effect.

Thousands of fans have already left comments with their guesses of who Ronaldo's guest might be. Some of those guesses include Lionel Messi, LeBron James and Sir Alex Ferguson.

However, many fans are convinced it will be social media icon Mr Beast, who has 331m subscribers on YouTube. That is after a photo appearing to show Ronaldo and Mr Beast together went viral online.

Many fans are convinced that Ronaldo's next guest on his podcast will be Mr Beast (left)

Ronaldo pictured alongside girlfriend Georgina Rodriguez (left) during another YouTube video

Portugal captain Ronaldo, 39, scored two goals in a 5-1 win over Poland on Friday evening

Ronaldo is currently on international duty with Portugal.

He scored two goals on Friday night in a 5-1 win over Poland in the UEFA Nations League.

His first strike came from a penalty kick before he netted the 135th goal of his senior international career in style by nailing an acrobatic bicycle kick.

That win helped Portugal seal top spot in Nations League Group A1 and booked a place in next year's quarter-finals.