The Oscar nominee, 32, made her first public appearance since giving birth at a cast dinner for her new film Mudbound at the Toronto International Film Festival on Monday, September 11. She covered up her post-baby body in a long, navy dress and a black Chanel belt. The next day, she attended the movie's premiere in a black dress.
Mulligan and Mumford, 30, have yet to confirm the baby news. In fact, the couple — who also share 2-year-old daughter Evelyn Grace — never officially announced the British actress' second pregnancy, though she did show off a very noticeable baby bump during a dinner date in London in June.
"They have been loving being parents and their friends and family are thrilled," a source told Us after the notoriously private pair welcomed their firstborn in 2015.
The Pride & Prejudice actress and the Mumford & Sons lead singer tied the knot in Somerset, England, in April 2012. They were childhood pen pals before their friendship turned romantic in 2011. "They're a great couple. Very sweet," a source previously told Us.
Mulligan opened up about keeping her personal life under wraps in May 2015. "Marcus is the only thing that's mine that I can keep totally away. So I try to," she told Vogue at the time.
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