Lottie Moss admits rehab stint is due to a 'bad coke addiction' - but she's been sober for 18 days

Lottie Moss exposes her G-string and flashes her underboob in a tiny crop top for sultry selfies

Lottie Moss dons a strapless lace corset top for a series of alluring snaps

Lottie Moss' dad gives update on model amid rehab stint for substance abuse