Stephanie Beacham reunites with Dynasty co-star Dame Joan Collins at her star-studded party

Liz Hurley wows in plunging gown as lookalike son Damian escorts her to Joan Collins' party

Lauren Silverman dons a black evening gown with Simon Cowell at Joan Collins' 88th birthday bash

Poppy Delevingne looks chic in satin gown as she leaves Joan Collins' 88th birthday bash