Both nominated housemates were called to the Diary Room by Big Brother earlier today and teased with drinks for winning the task.
Former teacher and porn star Benedict was told to host a sex education class in the living area for three housemates of his choice.
Benedict chose Scott, Caroline and Sara as his three students.
Black belt karate world champion holder Lauren was asked to hold a martial arts class outside in the garden.
Lauren picked Arron, Becky and Deana as her pupils.
Big Brother continues tonight at 10pm on Channel 5.