Visit the official site: http://itv.com/xfactor
How Will I Know is a big old song to sing, so can 17-year-old Lauren make this version her own? We love that her little brother Lewis actually got to perform on the show with her after his visit to the contestants’ house last week.
But how will Lauren know if she’s done enough to get the votes in? Will the Judges think her performance was strong enough?
Download Lauren’s version of How Will I Know:
Download The X Factor mobile app: http://bit.ly/TXFapp
Watch full episodes on ITV Player (UK ONLY): http://www.itv.com/itvplayer