Sienna Miller: Baby Bump in Primrose Hill

Sienna Miller covers up her baby bump in a colorful dress on Thursday (May 24) in London, England.

The 30-year-old actress headed back to her car after taking a yoga class in Primrose Hill.

PHOTOS: Check out the latest pics of Sienna Miller

Over in the French Riviera, Sienna‘s fiance, Tom Sturridge, was busy promoting On the Road at the 2012 Cannes Film Festival with co-stars Kristen Stewart and Kirsten Dunst.

Sienna and Tom, who are expecting their first child together, enjoyed a romantic getaway in Portofino, Italy, earlier this month.