Demi Jones has spoken out after fans accused her of throwing some major shade in the direction of ex-boyfriend Luke Mabbott and his new beau Lucie Donlan.As Justin Bieber doppelgänger Luke and Lucie post a whole load of cosy snaps from their romantic getaway on Instagram (way to rub salt in the wound, eh?), Demi couldn't resist taking to Twitter to post a seemingly-sassy indirect; but not all's as it appeared.Oh, we live for the drama.