Halloween  is less than a week away, and many celebrities got down to their pumpkin picking business over the last few days. Kate Beckinsale , Gabriel Aubry , and David Arquette  all brought their kids to a patch in LA, while Mark Walberg and his wife, Rhea Durham, had a head start on the candy-filled fun. Many stars are clearly all about the holiday , so click through to see who spent the weekend prepping for the big day!
Orange You Glad?
Kate Beckinsale  picked pumpkins with Len Wiseman  and her daughter Lily in LA yesterday.
Nahla Aubry was back at an LA patch yesterday with Gabriel Aubry , after picking out pumpkins with mom Halle Berry  on Friday.
Trick or Treat?
Mark Wahlberg  was joined by his kids Michael and Ella and wife Rhea at a Halloween  party in LA Saturday.
Big Kids at Heart
David and Coco Arquette took a turn at an LA patch yesterday.
Amanda Seyfried  chose a slightly imperfect model Saturday in LA.
Glee 's Cory Monteith  made three new friends at an Op/Boys and Girls Club event in LA on Saturday.
Lori Loughlin got into the spirit at a party in LA Saturday.
Getting Into Character
Marcia Cross  and Garcelle Beauvais posed outside the Pottery Barn Halloween  Carnival charity event in LA Saturday.
Shaquille O'Neal's kids filled up a wagon on Saturday while in LA with mom Shaunie.
In a Festive Mood
Kyle MacLachlan and his wife Desiree brought their son Callum to an outdoor Halloween  event in LA Saturday.
90210 's Trevor Donovan was given a personalized pumpkin at an Op/Boys and Girls Club event in LA Saturday.
Brooke Burke's kids Heaven, Shaya, Neriah, and Sierra arrived at the Pottery Barn Halloween  Carnival wearing their costumes.
Walk Like an Egyptian
Real Housewives of NYC  stars Alex and Simon McCord pulled out all the stops for their appearance at a charity event in NYC yesterday.
Eddie Falco posed with her son Anderson and a friend at the Dream Halloween  event in NYC yesterday.
The Biggest Loser 's Alison Sweeney helped her son Benjamin decorate a mini pumpkin Saturday in LA.