1) After the other two have done their bit on the intros round, say you 'really liked' one of the performances and ask them if you can see 'just theirs' again please.

2) During the identity parade, say that one of them is staring at you/scaring you.

3) During that bit when you have to say the next lyric of a song, pretend to be unaware that the lyric is actually from one of your songs and then struggle to remember it.