"That b*tch! She tricked me!," Blake's Sisterhood of the Traveling Pants costar told People about how her pal pranked her. While Amber was kidding about calling Blake a 'b*tch,' she wasn't joking about Blake's trick.
"I went up there and I didn't know, everybody knew but me, and she does that sh*t to me," Amber continued. "She was texting me about wallpaper, she was like, 'You gotta come see my new wallpaper,' and I went up there, and there was her baby."
The prank aside, Amber couldn't stop gushing about her excitement over Blake and Ryan Reynolds' baby girl. "We've all been over," she continued, talking about the rest of the Sisterhood of the Traveling Pants costar. "I'm very excited for her and Ryan, and to be an auntie. All of us are godmothers so we are very happy."
"I took pictures with Ryan and the baby and sent them to Ken Kwapis, the Sisterhood director," she continued.
Blake and Ryan welcomed their daughter together last month, with the former Gossip Girl star later telling People, she has "always felt like a mama," so motherhood feels natural to her. "I don't feel like it's a massive change," she added.
"This is the happiest time in my life, and I could say that every day. I often feel like, 'I can't believe I'm experiencing this.'"
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Gallery | Blake Lively's Pregnancy Style