Ariana Grande & Jennette McCurdy revealed to MTV who they want to cameo on ‘Sam & Cat': Betty White, Susan Boyle and Andrew Garfield. Ariana: Lil Wayne. In what world would he do it? In what world would there be a storyline that would fit having Lil Wayne on the show?’
Jennette: ‘I wish Miranda [Cosgrove] or Jerry [Trainor] or Nathan [Kress] [would come on the show]. That would be fun. I love them all. I feel weird singling some of them out. It’d be super cool if they were to show up and be in an episode.’ Ariana also revealed that they will NOT being singing on the show even though they had the option to.