In the snapshot, the 30-year-old actress gave a glimpse of her little tyke as the mother and son duo took a walk in what appeared to be a park. Otis, nearly 3 months, wore a cute grey sweater with animal ears on the hoodie and nuzzled up to his famous mom. Wilde only showed her backside and wore a "Rock and Roll" long-sleeve sweatshirt. "Rock and roll, baby," she quipped.
Earlier in the day, the Third Person star continued her upbeatness despite dealing with a stolen credit card. "To the person who stole my credit card and spent $800 at an aquarium, there's something awfully fishy about you," she tweeted.
Wilde and Sudeikis, 38, welcomed their first child on April 20. In June, the new mom gushed about the boys in her life while attending the Cinema Society & Revlon Host A Screening of Third Person event in NYC.
"It's such a joy to watch them laughing and smiling together. It's the best feeling in the world," she told Us Weekly on June 17. "I look forward to when Jason can start reading to Otis because then, the best thing ever, is when your dad is reading to you and does all the characters from the books."