Sienna Miller & Cara Delevingne: Party Ladies in London!

Sienna Miller and her fiance Tom Sturridge hold onto each other as they exit the Groucho Club on Thursday evening (August 15) in London, England.

Joining the duo for their night on the town was designer Matthew Williamson and model Poppy Delevingne. Also out that same evening was Poppy‘s sister Cara Delevingne.

As she left the club, Sienna kissed her pal Poppy goodbye.

Earlier in the week, Sienna and her daughter Marlowe were spotted out running some errands in London.

10+ pictures inside of Sienna Miller, Tom Sturridge, Cara Delevingne, and more out in London…