Jennifer Garner celebrated her 38th birthday on Saturday and the actress opted for a daytime kid-friendly party that included a slew of her celebrity friends and their children.
Reese Witherspoon showed up looking comfortable in sneakers, shorts, T-shirt and a straw hat.
Tobey Maguire, wife Jennifer Meyer and 3-year-old daughter Ruby were also photographed heading into the party. Tobey sported jeans, sneakers and some major bed-head.
Jen's "Juno" co-star Jason Bateman, wife Amanda Anka and 3-year-old daughter, Francesca also showed up to celebrate.
"Jen wanted everyone to feel like they could bring their kids, so she didn't want to have it at night," a partygoer told Radar Online.
Molly Sims – who was spotted carrying a large bag from Barney's – Jimmy Kimmel, Jon Favreau and Laurence Fishburne were also in attendance at Jen's birthday bash.
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