Ask the remaining X Factor finalists anything!
Little Mix, Marcus, Amelia and Misha B will all be with us in the studio on Friday's show.
We're giving you the chance to ask them... anything!
Who's your favourite? Which act do you wish is still in the competition? Would you ever go on X Factor? Do you think Gary is the harshest Judge?
Fill in the form below, and our team could be calling you back!
If you tweet we'll be following #XfactorOnHeart