Sienna Miller maternity style.

Keeping something quiet? Pregnant Sienna Miller flashes two rings on her engagement finger while filming new Justin Long movie

pony, shades and stripes!

Kristin Cavallari

Sienna Miller's Striped Bump: Sienna Miller filmed a commercial for Amore Pacific skin care line on the streets of London while pregnant last Winter. Her striped shirt and ruffled sweater clearly emphasized her second-trimester bump.