It is 'Challenge Tuesday' with Rikus de Beer!

Comedian Rikus de Beer joined Breakfast with Martin Bester and kicked off 'Challenge Tuesday' with the team. 

The challenge was for the team to keep straight faces while de Beer told some jokes. 

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Martin Bester did not do very well in the challenge and was the first person to laugh. 

Elma Smit, on the other hand, did really well - and is in the lead with the most points. 

WATCH THE HILARIOUS MOMENTS BELOW: