People.com Halloween Party

Star Halloween Costumes!

From Nick & Vanessa's monstrous wedding to Speidi's Jon and Kate mashup, check out the silly, sassy and spooky Halloween getups of the stars!

GWEN STEFANI & GAVIN ROSSDALE

See who looks dino-mite! Kingston Rossdale, 3, shows off his prehistoric costume while being pushed by mom Gwen Stefani, who dressed as Toy Story cowgirl Jessie, for a trick-or-treating outing, which also included dad Gavin Rossdale and little brother Zuma, 14 months, in Los Angeles on Saturday.