Heidi Klum and Seal hosted their Annual Halloween Party Saturday night (Oct 31) in Los Angeles. Other celebrities at the MSN/Skyy Vodka sponsored event were Monique Coleman, Selita Ebanks, Russell Simmons, Paris Hilton and more. Continue reading for all of the pics!

Here are some more snapshots of celebrities dressed up for Halloween…

Ice T’s wife Coco and singer Rihanna posed for this pic together at a party at M2 Ultralounge in NYC.

Bow Wow, Jermaine Dupri, B Cox and Nelly took this picture before they hit up JD and Dallas Austin’s mansion party in Atlanta Saturday night (Oct 31).

Beyonce and her tour crew dressed up for Halloween. Bey chose to go as Spiderman(woman).

Jay-Z opted to wear a Jason mask at his concert in Toronto Saturday night (Oct 31) at the Air Canada Centre.

Rapper Trina took this picture before heading out to a party in Miami.

Actress Elise Neal, went out dressed as a “French Maid.”

BET personalities Terrence J and Rocsi took this picture on the set of their show, 106 & Park. Terrence was rapper Lil Wayne and Rocsi was pop singer Lady Gaga.

Free (one of the original hosts of BET’s 106 & Park) posted this picture to her Twitter of her dressed as a Burlesque model. Free is now a radio personality and she hosts NYC radio station Power 105.1′s morning show.

Antonia Carter (from BET’s Tiny & Toya). Not sure who she was dressed up as…

And Kim Zolciak, Lisa Wu Hartwell and Kandi Burruss from BRAVO’s Real Housewives of Atlanta hosted a Halloween party in the ATL Saturday night (Oct 31).

Halloween 2009 was a pretty big event because it fell on a Saturday night, and you know the celebrities showed up and showed out at various events/parties over the weekend. Here are just a few of our favorites…

Eva Marcille and Lance Gross hit up Eva’s 25th birthday celebration at EZ Studios in New York City Saturday night (Oct 31). Eva’s birthday party doubled as a Halloween party and we’re not entirely sure who Eva went as … but if we could guess, we’d say Lance went as a “Blood.”

Steph Jones posted this pic of him and his singer girlfriend Jordin Sparks getting ready for their Halloween night out to his Twitter account over the weekend. Steph was dressed a “woman with a bad weave” and Jordin was “killer Dorothy.”

LaToya Jackson served up milkshakes at Millions of Milkshakes in West Hollywood Saturday (Oct 31) to raise money for an AIDS project. We have no clue who she dressed up as, or why she even dressed up at all. She’s pretty scary on a day-to-day basis! LOL

Singer/socialite Teyana Taylor dressed up as Shenenah from the popular 1990′s TV show Martin. Her friends were Key Lo Lo and Bonquisha (Shenenah’s friends).

Angela Simmons went out as Minnie Mouse. She and her rapper boyfriend Skillz hit up the 3rd Annual Play-N-Skillz Halloween Bash at the House of Blues Saturday night (Oct 31) in Dallas, TX.

Rapper Slim Thug (dressed up as Jay-Z) also hit up Play-N-Skillz’ Halloween party in Dallas.

Actors Sam Trammell, Rutina Wesley, Kellan Lutz and Ashley Greene posed for pictures together as they arrived at Veuve Clicquot’s Yelloween At TAO And LAVO in Las Vegas Saturday night (Oct 31). Sam and Rutina star in the HBO hit series “True Blood,” while Kellan Lutz and Ashley Greene are the stars of the “Twilight” hit movie series.

And singer Kat Deluna attended the Heroes vs. Villains Halloween Party Saturday night (Oct 31) at the Gramercy Park Hotel in New York City.