Greg's Got Talent?
Hi, it's Headmistress Laura here.
Greg's just sent me through this video - I had to show you because he's clearly being out-smarted by these kids. Bit embarrassing really...
UK ONLY: Support Greg by donating £1. Text Greg to 70011 (texts cost £1 + std msg charge). For terms and conditions go to http://bbc.co.uk/comicrelief