The Snowdons attend Alexander Dundas' 18th birthday party

The Earl and Countess of Snowdon and their two children,  Viscount Linley, 18.  and 15-year-old Lady Margarita Armstrong-Jones, were among the guests at the coming of age party for Alexander Dundas, who turned 18 on December 16.
The party was held in London.

Alexander is the son of Lord and Lady Richard Dundas.  Lord Richard is the youngest son of the 3rd Marquess of Zetland

Embed from Getty Images Embed from Getty Images Embed from Getty Images Embed from Getty Images