Nicole Richie has her hands full!

The Winter Kate designer, 28, toted her two tots -- Harlow, 2, and Sparrow, six months, one on each hip -- to a children's birthday party at Cafe Med in West Hollywood on Monday.

But the real fun seemed to take place after the lunch when Richie, 28, and some other moms danced in the parking lot with their kids.

Wearing cut-out shoes from her own line, Richie bounced with Sparrow to the beat of Beyonce's "Get Me Bodied" and then got help lifting up Harlow before heading out.

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