Pregnant Sienna Miller Turns Heads in Bump-Baring Look

Pregnant Sienna Miller shows off bare baby bump on the Vogue World red carpet

Pregnant Sienna Miller displays her blossoming baby bump in a voluminous skirt and cropped shirt on the red carpet at Vogue World

Pregnant Sienna Miller does her bit for charity as she joins Anthony Joshua and Damian Lewis at star-studded annual BGC Partners Day