LOS ANGELES, Aug. 5 (UPI) -- Olivia Wilde breastfeeds her son Otis in the September issue of Glamour.
The 30-year-old actress nursed the infant while posing in Roberto Cavalli and Prada for the photo spread. Otis will be four months old on August 17, and is Wilde's first child with fiancé Jason Sudeikis.