The six-year-old was in fine form at yesterday's Grammy Awards and GIFs of the savage kiddy have gone viral.
When her famous parents were clapping to support Camila Cabello, Blue told them to cease their applause.
Observe:
As the GIF went wild across the internet, with loads of peeps finding her hilarious, a lot of other online folk weren't too pleased about her 'bratty' behaviour and some not-so-nice tweets started circulating.