Rosamund Pike Shows Off Her Post-Baby Body at Palm Springs Fest

Rosamund Pike strikes a pose on the red carpet at the Palm Springs International Film Festival Awards Gala at the Convention Center on Saturday afternoon (January 3) in Palm Springs, Calif.

The 35-year-old Gone Girl actress was joined by her co-stars Carrie Coon and Kim Dickens along with legendary actress Shirley MacLaine.

PHOTOS: Check out the latest pics of Rosamund Pike

This is Rosamund‘s first red carpet appearance since welcoming her son last month.

FYI: Rosamund is wearing an Alexander McQueen dress with Brian Atwood shoes.