Heidi Klum walks the red carpet at her annual Halloween party held at Lavo on Sunday (October 31) in New York.

The 37-year-old supermodel was dressed as a robotic superhero. Heidi's skin-tight, red-and-purple armor was designed by Martin Izquierdo, who designed the famous Victoria's Secret angel wings.

JustJared.com’s Jared Eng attended the party as pop phenom Ke$ha, where he ran into Sports Illustrated cover model Brooklyn Decker, who went as a pink troll doll!

Also in attendance at the soiree was Kim Kardashian (as a sexy Little Miss Riding Hood), model Chrissy Teigen (as Cleopatra), and Arc NY’s Lorenzo Martone.

15+ pictures inside of Heidi Klum’s annual Halloween bash…

Rihanna gets a little intimate with a skull at a club on Halloween evening after performing on The X Factor on Sunday (October 31) in London.

After her performance of her hit single “Only Girl (In the World),” the 22-year-old singer went for dinner at Nozomi restaurant.

The night before, Rihanna was the musical guest on Saturday Night Live and also debuted a new Shy Ronnie skit, featuring funny guy Andy Samberg!

Mary-Kate Olsen texts on her Blackberry while holding a warm coffee on a chilly Halloween morning in New York City on Sunday (October 31).

Earlier this month, the 24-year-old fashion designer joined her twin sister Ashley in Paris for Fashion Week, where they debuted their spring/summer line for their line The Row.

Ashley and her boyfriend Justin Bartha shared a sushi dinner at Nobu in NYC last week.

Michelle Williams ducks her head as she hops into an old-fashioned car while filming scenes for My Week with Marilyn on Sunday (October 31) in London.

The 30-year-old actress was joined on set by her co-star Eddie Redmayne, who plays Colin Clark, the man that took care of Marilyn while she was filming with Laurence Olivier.

My Week with Marilyn is based on Clark’s diaries that he kept during the filming of The Prince and the Showgirl.

Earlier this month, Michelle attended the premiere for her film Blue Valentine, which opens in theaters later this year.

Ke$ha dons blue lipstick while walking through LAX on Halloween on Sunday (October 31) in Los Angeles.

The 23-year-old “We R Who We R” singer was arriving back in L.A. straight from North Carolina where she performed in the Grave Digger’s Ball for radio station Kiss 95.1.

The cover and tracklist for Ke$ha’s new album Cannibal was recently released and a new song off of the album, “Sleazy,” just premiered!

Eva Mendes brings the sweet life to the world restoration premiere of La dolce vita at the 5th International Rome Film Festival on Saturday (October 30) in Rome, Italy.

The 36-year-old actress wore a Gucci one of a kind strapless ruby silk charmeuse gown with gathering along the bodice and twisted waist detail.

Also pictured is Eva shaking up the premiere of Little White Lies at the International Rome Film Festival on Friday (October 29). This French film starring Marion Cotillard depicts the relationships and secrets between a group of friends as they embark on their annual beach vacation despite a recent traumatic event.

25+ pictures inside of Eva Mendes red hot in Rome…

Lindsay Lohan makes light of her financial woes in this mock public service announcement for the American Jewish World Service, a new video from Funny or Die.

The video was written and directed by Judd Apatow and also features Andy Samberg, Sarah Silverman, Ben Stiller and Tracy Morgan.

Lindsay said, “Hi, I’m Lindsay Lohan and I’m not Jewish but I am happy to be here,” then joked, “these things pay well, right?”

At the end of the video the 24-year-old actress jokingly says “Challah!… Bread.” So funny!

Watch the video inside…

Ryan Phillippe and Amanda Seyfried have a jolly good time at Kate Hudson’s annual Halloween party on Saturday night (October 30) in Pacific Palisades, Calif.

Ryan, 36, later sat behind the wheel while Amanda, 24, was seen hiding her face from photographers as she rode shotgun.

Last weekend, Amanda was seen spending quality time at LA’s Griffith Park with Rumer Willis‘ ex Micah Alberti.

10+ pictures inside of Ryan Phillippe and Amanda Seyfried…

Rihanna dances table-top as she belts out her hit single, “Only Girl In The World” on UK’s The X Factor on Sunday (October 31).

Watch her fun performance below!

The 22-year-old pop icon is also expected to hit the stage in Madrid, Spain next Sunday (November 7) at the 2010 MTV European Music Awards. Eva Longoria is hosting the star-studded event. Can’t wait!

AnnaLynne McCord covers up her face with a wig as she holds hands with model Aaron O’Connell at Veuve Clicquot’s Halloween party Yelloween at Palazzo’s Lavo Las Vegas on Saturday (October 30) in Nevada.

AnnaLynne, who dressed up as Alice in Wonderland’s White Queen, was seen sitting on Aaron’s lap and wearing his pilot hat.

Looks like AnnaLynne has moved on from Twilight stud Kellan Lutz. Upgrade or downgrade??

10+ pictures inside of AnnaLynne McCord and Aaron O’Connell holding hands…

Kerry Washington visits the ladies of The View on Thursday (October 28) in New York City.

The 33-year-old actor (in Nanette Lepore) sat down with actress Kimberly Elise to chat about their new film, For Colored Girls, out November 5, which was directed by Tyler Perry and also stars Janet Jackson and Thandie Newton.

Kerry’s other recent project? Creating her very own website, KerryWashington.com!

“I’m so excited about finally launching a site and having a home online where people can stay connected and informed about where I am, what I’m up to and the work I’m doing as an actor, a spokesperson and a public servant,” she tells JustJared.com exclusively.

Ke$ha throws another glitter-fest at Kiss 95.1’s Grave Digger’s Ball on Saturday (October 30) in Charlotte, North Carolina.

The 23-year-old "We R Who We R" singer has a new album out called Cannibal, hitting shelves on November 22.

K$ just released a catchy new “Sleazy” new song. Get sleazy! Get sleazy!

There’s going to be a fun Ke$ha surprise tonight for Halloween. Be sure to follow us on Twitter @JaredEng!

Ian Ziering and his wife Erin are expecting a baby girl in April!

“Erin and I are very excited to be parents,” the 46-year-old Beverly Hills, 90210 star tells People. “It’s something we both have always wanted. [Erin] is four-and-a-half months along, and we both are beyond excited.”

Congrats to the happy couple, who married in June!

Last month, Ian helped raise funds and awareness at the Stand Up to Cancer Telethon.

Ricky Martin carries his two adorable twin boys, Matteo and Valentino in this new picture shared on The Oprah Winfrey Show, airing on Tuesday (November 2).

The 38-year-old pop sensation will also talk about his decision to come out as a gay man.

Ricky’s autobiography, “Me“, will be released on Tuesday, the same day his episode on Oprah will air.

The following day, Ricky will make his first appearance on The View!

Check out Colin Farrell and his on-screen love interest Keira Knightley from the upcoming crime romance London Boulevard.

Pic is the story of a man newly released from prison (Farrell) who falls in love with a reclusive young movie star (Knightley) and finds himself in a duel with a vicious gangster (Ray Winstone).

London Boulevard, which opens early next year, marks the directorial debut of Oscar-winning scribe William Monahan (he wrote The Departed).

Paranormal Activity 2 and Saw 3D battled it out for scariest pic during Halloween weekend.

Saw 3D came out on top, pulling in $24.2 million at 2,808 locations. Paranormal trailed behind with $16.5 million at 3,239 locations.

Jesse Eisenberg, Justin Timberlake, and Andrew Garfield’s The Social Network ranked #7 and brought in another healthy $4.7 million after four weeks on the charts.

WHICH MOVIE did you see this weekend. And what are you dressing up as for Halloween??

Listen to the premiere of Mandy Moore and Zachary Levi’s new love song, “I See The Light” from the upcoming animated flick, Tangled.

The song score is from Alan Menken, who’s responsible for the legendary soundtracks in The Little Mermaid, Beauty and the Beast, and Aladdin.

Tangled, which opens everywhere on November 24, is based on the classic German fairy tale Rapunzel by the Brothers Grimm.

JustJared.com had the pleasure of watching the movie earlier this month and we can confidently say it’s a winner. Can’t wait for everyone else to see it too!

Rihanna throws on her sleep mask before getting some much needed shut-eye aboard a NYC private jet en route to London on Saturday night (October 30)

“Feelin so fly like a G6,” the 22-year-old pop phenom tweeted. “Just finished SNL, nonstop travel! X Factor here I come….”

Earlier in the evening, Rihanna reunited with Andy Samberg for another SNL Digital Short called Ronnie & Clyde. She also performed her hit songs “What’s My Name?” and “Only Girl In The World”.

Gwen Stefani and a milllion other celebs turn up for Kate Hudson’s huge Halloween party on Saturday night (October 30) in Pacific Palisades, Calif.

Also in attendance at the party, which served FatBurger food: Kurt Russell (the longtime boyfriend of Kate’s mom Goldie Hawn), Kate’s stylist Rachel Zoe as Indian warrior, Nicole Richie as Margot Tenenbaum (with fiance Joel Madden), Amanda Seyfried, David Spade, Steven Tyler, Leslie Mann (with husband Judd Apatow), Ryan Phillippe, Shenae Grimes, Entourage’s Kevin Connolly, Adam Sandler (with wife Jackie), and Gwen’s No Doubt bandmates Adrian Young as Princess Leia and Tony Kanal (with expectant mom Erin Lokitz).

Can you make out anyone else??

20+ pictures inside of Kate Hudson’s Halloween party…

Kate Bosworth takes a stab in this new still from her upcoming new movie, The Warriors Way, out Dec. 3.

EW reports the 27-year-old actress did much of her own stunt work — and knife throwing!

WATCH: ‘The Warrior’s Way’ Trailer

After shooting a violent showdown with Clash of the Titans‘ Danny Huston — ‘’she had the bruises to prove it,” says producer Barrie M. Osborne, who also produced the Lord of the Rings franchise.

Looking forward to this modern martial arts western!

Mindy Kaling smiles for photographers while out and about in Los Angeles on Thursday (October 28).

The 31-year-old The Office star recently filmed the Christmas episode for the NBC comedy, which she wrote and co-star Rainn Wilson directed.

“[We] are nearly done shooting our Christmas special. It’s gonna wreck you, Jackass style,” Mindy tweeted.

The hour-long episode airs December 9 and will mark the return of Amy Ryan’s character Holly Flax.

In case you missed it, check out Rainn rapping about philosophy, one of his old pastime hobbies, on The Tonight Show with Jay Leno while promoting his new book SoulPancake!

Mehcad Brooks goes shirtless in the latest issue of People and explains how he got that body.

The 30-year-old actor shared, “Genetics, diet, hitting the gym four out of seven days—and a healthy sex life!”

Mehcad, who most recently starred in ABC’s dramedy My Generation and played Eggs on True Blood, is set to co-star on USA’s latest pilot, Necessary Roughness! He’ll play a troubled professional football player who seeks help from Danielle, a tough therapist (played by Callie Thorne).

“Initially pissed about being forced into counseling with Dani, he winds up bonding closely with her,” Deadline adds.

Ethan Hawke and Russian model Irina Shayk come out to support the Doe Fund Annual Fundraising Gala at NYC’s Cipriani 42nd Street on Thursday (October 28).

The Doe Fund’s mission is to break the cycle of homelessness and addiction, while also helping formerly incarcerated individuals.

At the event, Irina, who’s dating Cristiano Ronaldo, posed with members from the Doe Fund’s Ready Willing & Able program.

Also attending the blue carpet: Ethan’s wife Ryan Shawhughes.

15+ pictures inside of Doe Fund duo Ethan Hawke and Irina Shayk…

Emile Hirsch wears a Nike sweater and jeans while going to a nightclub in Hollywood on Thursday (October 28).

The 25-year-old actor can next be seen in the alien apocalyptic thriller The Darkest Hour, set for an August 2011 release.

Production on the film was temporarily halted in August after wildfires caused a record heat wave and smoky haze across Russia.

Emile has also signed on for the upcoming dark comedy Killer Joe with Matthew McConaughey.