DALLAS, Dec 3, 2010 / FW/ — Happy Friday everyone! Before we get started for the weekend, here are today’s celebrity sightings.

Wednesday night, Dec 1st, Penelope Cruz wore a jacket from the women’s Fall 2010 Calvin Klein Collection for a special lighting of the Empire State Building in New York City in honor of World of AIDS Days.

Ms. Cruz wore a Fall 2010 Calvin Klein Collection black shearling jacket, designed by the brands’ Women’s Creative Director, Francisco Costa.

To mark Wednesday’s annual commemoration of World AIDS Day, the most iconic landmarks in the world were illuminated red to raise awareness and highlight the goal of the movement that virtually no child will be born with HIV by 2015.

Meanwhile in Los Angeles, country music sensation and three-time nominee Miranda Lambert wore the Rock & Republic Braidenred suede pumps on the red carpet and while she performed at the Grammy Nominations Concert Live on CBS.

Back in New York, Natalie Portman lookws sultry in her eggplant 1-shoulder gazar dress with black elastic waist band from the LANVIN for H&M collection.

She wore the look to the IFP’s 20th Annual Gotham Independent Film Awards at Cipriani, Wall Street in New York City on Monday, November 29.

This classic dress makes the ultimate statement on the runway. Paired with a jeweled clutch and red lips, Natalie’s look definitely made the best-dressed list.

In London, Cheryl Cole was seen wearing a Gianfranco Ferré look from Fall 2010 / Winter 2011 Collection to “The X Factor” on November 28th.

Still in London, singer Pixie Lott chose to wear Versace to the BBC Radio 1 Teen Awards held on November 14th at Hammersmith Apollo. The singer wore a one shoulder short printed dress with red patent leather details combined with red leather pumps with gold hardware details.

O November 11, 2010, actress January Jones chose to wear Versace to Donatella Versace’s Dinner for Central Saint Martins held at the Connaught in London, England.

The gorgeous actress wore a stunning look from Versace’s Spring 2011 Collection; she chose a black cocktail dress with an open back, black buttons details and patent leather straps. She completed her look with a black satin Versace clutch with gold hardware.