Celebrity Celebrity Family Celebrity Pregnancy Baby Girl on the Way for Jessica Simpson and Eric Johnson "We couldn't be happier to announce this precious blessing of life," Jessica Simpson wrote Tuesday, sharing a photo of her sex reveal starring her kids By Jen Juneau Jen Juneau Jen Juneau is a News and Movies Staff Writer at PEOPLE. She started at the brand in 2016 and has more than 15 years' professional writing experience. People Editorial Guidelines Published on September 18, 2018 10:25AM EDT Jessica Simpson is adding another member to her family! The singer and fashion designer is expecting her third child — a baby girl! — with husband Eric Johnson, she announced on Instagram Tuesday morning with a photo set of her two kids Ace Knute, 5, and Maxwell “Maxi” Drew, 6, revealing the baby’s sex. “SURPRISE … ” Simpson, 38, captioned the first image of her kids looking stoked to pop two large polka-dot balloons to find out if they were having a brother or a sister. “This little baby girl will make us a family of five,” she added alongside a snap of her kids surrounded by smaller pink balloons, which presumably came from the large balloon that Ace was holding previously. “We couldn’t be happier to announce this precious blessing of life.” Want all the latest pregnancy and birth announcements, plus celebrity mom blogs? Click here to get those and more in the PEOPLE Parents newsletter. Jessica Simpson’s Daughter Maxwell, 6, Has a “Favorite” Makeup Item: “She Tends to Sneak It” Simpson opened up to Entertainment Tonight in April about her marriage of four years and the couple’s two kids, admitting she had “baby fever” but that having another child “would definitely have to be a bit of a miracle.” “We always practice,” joked the actress and singer, revealing they “don’t really know” if they’ll have a third child but that she is “very attracted” to her former NFL player husband, 39. “Today, we got to go on this trip without the kids, [and usually] we don’t go places without the kids,” she said, noting the perk that “all the attention” is shared between the couple. Jessica Simpson/Instagram RELATED VIDEO: Jessica Simpson Reveals She Has an IUD and Won’t be Having Any More Kids, Thank You Very Much Simpson seemed to have had a change of heart over the past year. In May 2017, she revealed to Ellen DeGeneres that she wasn’t pregnant, despite rumors swirling that she and Johnson were expecting a third bundle of joy. “We got an IUD, nothing’s gonna get in that uterus,” she joked, leading DeGeneres, 60, to quickly reply, “I’m not touching that.” “I have two beautiful children, and I’m not having a third,” Simpson added as a photo of her and her adorable family appeared on the screen. “They’re too cute … you can’t top that.”