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It’s no surprise Ashlee Simpson‘s baby shower celebrating her impending arrival was a relaxed affair.
The mom-to-be — she’s expecting a daughter with husband Evan Ross, 26 — was surrounded by 65 guests at the party, held Sunday evening at sister Jessica Simpson‘s house.
“It was beautiful weather and her house was the perfect setting … so gorgeous,” says an attendee, who adds that Simpson’s newly-engaged mom Tina helped arrange the event.
“It was very chill and almost like just a get-together than a traditional shower,” adds the guest. “It wasn’t focused on games [and was] more like a big party.”
Simpson, 30 — who “looked gorgeous” dressed in a “super flowy, Bohemian-style” outfit — also shared a little bit of the spotlight with her mom. “Everyone was talking about Tina’s engagement and about her ring. She seems really happy,” says the source.