03/19/2012 at 02:00 PM EDT
It was apparently a baby shower fit for a queen.
– who celebrated her baby on-the-way
on Sunday with sister Ashlee Simpson
and close pal Jessica Alba
– seems to have had the time of her life, thanks to her all-star party planner.
"All day yesterday felt like a perfect dream!" Simpson, 31, Tweeted
on Monday. "Thank you @MindyWeiss for the best baby shower any mommy could ever want! Love u!"
The Fashion Star
mentor is expecting a girl with fiancé Eric Johnson. Simpson confirmed her pregnancy
For exclusive photos and details from the shower, pick up a copy of PEOPLE magazine, on newsstands Friday