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The singer says her 4-year-old daughter Lola, is just as excited as she is to welcome a new sibling. "She's been a part of this pregnancy from the very beginning" Wilson told Momlogic.com. "When I took the pregnancy test, she was right there with me, and we all jumped up together. We are including her and making her feel like she's Big Sister. I think she's got a great foundation because her nature is already very motherly."