'X Factor': Sharon Osbourne Falls Off Her Chair Laughing In Hilarious New Trailer (VIDEO)

This clip explains exactly why we are over the moon Sharon Osbourne is back on 'The X Factor' and has got us even more excited for the new series, if that's possible.In a new trailer for the tenth series, Mrs O falls off her chair in stitches as one hopeful sings about 'messing his pants'.

Oh Shazza, how we have missed you.

The new series kicks off on Saturday 31 August at 8pm on ITV.

For more FAAAABBBUUULOUS clips of Sharon, check out her 'X Factor' best bits below...