During a press conference for the Age of Adaline Sunday, the Gossip Girl alum told Us Weekly, "My boobs are pretty huge and awesome," adding jokingly, "That's probably the most thing significant change [about being a mom]."
While it wasn't clear if she had her daughter James in tow with her that day, Blake did spend some time during breaks with her sister Robyn Lively, whom she recently revealed is her little one's godmother. "Enjoying my sis @robynlively visiting my #AgeOfAdaline press day," she captioned the shot of the two of them on Instagram. "Until I realized... That jerk stole our new exclusive dress from @preserve_us !!! THIS is the moment she was caught. Nothing ever changes. I steal her children. She steals my clothes. #FairTrade."
In the snap, Blake shows off her svelte post-baby bod in a high-waist, purple peplum skirt, while she embraces her sister. Robyn, meanwhile, rocks a floral print dress and giggles with her.
After a long day of press and quality time with her big sis, Blake had some fun with her mom, showing off a snap on Instagram of the two of them standing in front of a private plane. "Holy cow!!! Ridin' in style with my mama this morning. Rockin' Bellen Brand from @preserve_us," she captioned the snap.
Blake and her hubby Ryan Reynolds welcomed their daughter four months ago in December.