Hayden Panettiere had on a hot little Stella McCartney mini with a pair of Louboutins.  She carried a Jimmy Choo "Cloud" clutch.  Jewelry was from Cathy Waterman.  She was styled by Logan Horne.

Halle Berry wore a sexy - and very little - little black dress by Riller & Fount with shoes from Camilla Skovgaard.  Her jewelry was from Suzanne Wilson.

Mila Kunis wore a dress from Milly with a pair of Stella McCartney heels.  Her jewelry was Bochic bakelite, diamond and blue sapphire cuff bracelet.  She was styled by Tara Swennen.

The amazing Alexandra Zosman (pictured with guest) wore a McQ black wool jumpsuit with Burberry black patent heels.  She carried a Fendi clutch.  Jewelry was from David Yurman.  She did not work with a stylist for this event.

Malin Akerman wore a cute red sequin dress from Brit designer Jasmine di Milo paired with Betsey Johnson shoes.

Leslie Mann wore a periwinkle Moschino satin dress with a tiered skirt from the SS09 collection.

Zoe Saldana wore a Pucci dress from the F/W 09 collection.  Shoes were Brian Atwood's F/W 09 "Wicked" style in black leather.  Jewelry was from Neil Lane.  She was styled by Petra Flannery.

Leighton Meester wore YSL.  Dress was S/S 09 kimono sleeve dress with back bows, and the cage ankle bootie that has proved extremely popular this season.  Leighton was styled by Logan Horne.

Michelle Monaghan caused a stir in her F/W 09 runway collection Versace dress, Judith Leiber clutch and Tania Spinelli shoes.  Photographers went crazy!  Michelle was styled by Mary Alice Stephenson.

Sophia Bush stepped out in a sexy Herve Leger dress and shoes accessorized by a ring and earrings by Julie Cohen for SWITCH.  Meow!  She did not work with a stylist for this event.

Heidi Klum wore a Jasmine di Milo dress, Martin Katz jewelry, and Christian Louboutin pumps.  She is styled my Maryam Malakpour.

Tori Spelling looked pretty in a Philosophy di Alberta Ferretti dress and Christian Louboutin heels.  She accessorized with pieces from her own Tori Spelling for HSN jewelry collection.

Winona Ryder wore a Fendi dress, Jil Sander shoes and a Tod's clutch.  She completed the look with a Jennifer Behr headband and jewelry from Neil Lane.  Winona is styled by Lisa Michelle Boyd from The Wall Group.

Amanda Bynes chose a Herve Leger dress, YSL "Tribute" sandals in gold, a Tammi Lyn clutch, and a Judith Ripka ring.  She did not work with a stylist for this event.

Emma Roberts turned up the heat in a black strapless Versace dress with zipper detail, Jimmy Choo shoes, and Me and Ro earrings.  Necklace is Emma's own.  She was styled by MAUDE.

Anna Torv wore a black silk Jenni Kayne "V" dress with gold beaded waist.  Jewelry was Jenny Kayne Irit yellow gold & diamond earrings and rose-cut diamond square ring.

Amy Adams is wearing a backless, beaded Jasmine di Milo dress.  Shoes are Christian Louboutin, her clutch is VBH and jewels are by Neil Lane.  Here's another view:

Amy is styled by Cristina Ehrlich.