Select the "Talent Show" from you cellphone. At the start of every round you'll see a big counter on your screen. Then stand in the "pause" position (raise your hand at 45 degrees) and select SKIP from the pause menu.
You will finish a round with 0 points and will not get any medal. Repeat on the beginning of every round.
Please note that below achievement will not pop in the same time:
The Fail achievement in Fantastic Pets worth 8 pointsScore no points in any event during a Talent Show.