Tonight's incredible Wildcard act is...

It's Grand Final time tonight, and there's just one Wildcard spot up for grabs!

It was down to the Judges to decide, and we're pretty sure you'll be happy with their choice. B-Positive Choir will be back with their amazing vocals and inspirational message.

They join an already incredible line-up tonight, don't miss all the action live on ITV from 7.30pm.

How closely were you watching our incredible Semi-Finals?

What a week it's been, but were you paying attention?

What a week it's been in our LIVE Semi-Finals! From magicians, to musicians, to dancers, to aliens and EVERYTHING in between - we really have seen it all! But were you paying attention to ALL the details!

Prove you're the ultimate BGT superfan by bossing this quiz. And don't forget to share your results!