Inside Jessica Simpson's Star-Studded, Pink Baby Shower!

Jessica Simpson is about to pop -- but not before she and her imminent stork delivery are feted with a proper soiree!

On Sunday, Simpson, 31, was joined by more than 50 of her close friends and family, including her Texas kin and stars like Ellen Pompeo, Simpson's sister Ashlee Simpson and Jessica Alba.

PHOTOS: Jessica and Ashlee through the years

"It was a kid-friendly shower with many of her friends bringing babies," a source tells Us Weekly about the bash that took place in Los Angeles. "Jessica [Alba] brought her baby Haven, 7 months, and Ashlee brought Bronx, 3.

PHOTOS: Adorable Hollywood babies

Earlier this month, Simpson confirmed to ELLE magazine (where she posed nude for the cover) that she and her fiance are happily expecting a girl.

PHOTOS: Nude and pregnant celebs!

Coming as no surprise, pink and yellow was the surrounding color theme of the afternoon, with tube-shaped balloons and spring tulips placed throughout the venue.

"She received tons of gifts mostly wrapped in pink gift wrap and boxes," adds the source. "There were several books, stuffed toys and clothes among other items."

PHOTOS: Jess' chic maternity style

While baby showers are traditionally a surprise, Jessica was not interested in being left in the clouds -- she arrived before any of her guests to check out the space, pre-party!

"She seemed completely ecstatic" an eyewitness tells Us.

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