Celeb moms gave back to parents in need over the weekend.

Stylist Rachel Zoe and actress Molly Sims hosted a Mother's Day garden party for Baby2Baby and Huggies that raised awareness about diaper need.

Zoe brought along hubby Rodger Berman and adorable 2-year-old son Skyler to Saturday's event in Beverly Hills, while Sims had 10-month-old son Brooks in tow.

Alyssa Milano, Ellen Pompeo and Busy Phillips, who is pregnant with her second daughter, were also there.

The best part? Through Mother's Day, Huggies' Every Little Bottom program will donate additional diapers to Los Angeles families in need for every tweet written using the hashtag #HuggiesBaby2Baby.

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