Halloween: Celebrities take their little pumpkins to Hollywood's spookiest market

Alessandra Ambrosio: "picking pumpkins#funday #halloween #pumpkinpatch"

Hilaria Baldwin: "My pumpkin ?"

Jeff Goldblum's wife, Emilie Livingston: "It was all our first pumpkin patch!!! #mrbones #Halloween"

Karolina Kurkova: "My pumpkin date #tobin #friday #kkfamily"

Kim Kardashian: "bff's at the pumpkin patch ?"

Kelly Rowland with her son Titan.

Heidi Klum with her daughter Leni.

Kevin Jonas: "Love these girls #goofballs"

Jordana Brewster's son Julian.

Tamera Mowry-Housley: "Family time...although having two kids definitely is a game changer. I am so grateful for my little munchkins. JOY bursts from my heart daily. ???"

Rachel Zoe: "Brothers and a pumpkin patch equals happiness #weekends #endlesshalloween #mommymoments XoRZ"

Mariah Carey: "#autumnmoments"

Melissa Joan Hart: "It's snowing during our pumpkin picking! #elnino #underdressed"

Liv Tyler: "??? tis the season!!! ???"

Kendra Wilkinson: "? time with the family!!!"

Gwen Stefani was spotted with her children.