Showbiz
Rex Features
According to Star magazine, Simpson and husband Pete Wentz held the event at Bel Air Hotel's Palm Room on Saturday.
The shower had a Winnie The Pooh theme, say reports.
"The room was decorated with yellow and orange roses, and guests were given jars of honey with custom-made labels that said 'Baby Wentz' and 'Thank You For Celebrating My Life' on them," said a source.
"The girls were also given bracelets that had a big bumble bee on them."
Food served at the shower included crab cakes, peanut butter and jelly sandwiches, jicama salad with grapefruit and a bumblebee-shaped cake.
Wentz confirmed last week that Simpson may give birth "at any point now".
More: Ashlee Simpson, Showbiz
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