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Jessica Alba had a party and everyone came! The Honest Company hosted Baby2Baby's holiday party over the weekend, and the guest list was as star-studded as a movie premiere! From Nicole Richie to Gwen Stefani to Rachel Zoe, some of Hollywood's hippest moms turned out for the event.

Jess tweeted the shot above and wrote, "Having a blast @baby2baby annual #Baby2BabyHolidayParty @honest #honestlovesbaby2baby." Other guests included Busy Philipps, Soleil Moon Frye, Michelle Monaghan, Jessica Capshaw and Norah Weinstein.

Jessica's husband Cash Warren was also there, and Rachel's hubby Rodger Berman chatted with Joel Madden at the event. Dads gotta stick together at these sorts of things!

Baby2Baby is a charitable organization which supplies families in need with essential baby gear and clothing for their children up to age 12. Jessica and Nicole have long been supporters of Baby2Baby -- not only do they attend the events but numerous times we've snapped Jessica dropping off goodies at donation stations in Los Angeles.