Deletion of Caesar Twins

Comment: Youth World Champions in acrobatic sports" means they've competed in the top level of their sport in their age group (the times articles confirms this), meeting  and I doubt non-notable people would be invited to perform in the Royal Variety Show. They're covered significantly in at least 2 independent reliable sources, so they meet  too
Stance: keep
Cited policy: Wikipedia:Notability (WP:ATHLETE||WP:GNG)

Comment: Maybe more of a "weak keep". I don't know if I'd consider The Evening Standard a very reliable source, but coverage there does confer a certain degree of notability, and coupled with coverage in The Sunday Times, that seems to get them above the bar of 
Stance: keep
Cited policy: Wikipedia:Notability (WP:N)