Rihanna sports a basic black Phillip Lim dress at singer pal Chris Brown’s “Off The Wall” 18th birthday party in New York City on Sunday. The 19-year-old sexy songstress finished off her look with a pair of leopard-print pumps by Christian Louboutin.

Lauren Conrad wore the same halter bubble dress at the Us Weekly Hot Hollywood party in Hollywood in late April. The Hills star, 21, completed her look with a pair of peep-toe pumps by Steve Madden.

Who wears it best — RIHANNA or LAUREN CONRAD?

Amanda Peet in Marc Jacobs.

To the right, Brazilian supermodel Bruna Tenorio.

Who wears it best — AMANDA PEET or THE RUNWAY MODEL?

Winona Ryder in Marc Jacobs with Marc Jacobs.

To the right, Russian supermodel Anna Barsukova.

Who wears it best — WINONA RYDER or THE RUNWAY MODEL?

Jennifer Lopez in modified Marchesa Fall 2007.

To the right, Brazilian model Barbara Berger.

Who wears it best — JENNIFER LOPEZ or THE RUNWAY MODEL?

Julianne Moore in Yves Saint Laurent Fall 2007.

To the right, Danish supermodel Freja Beha Erichsen.

Who wears it best — JULIANNE MOORE or THE RUNWAY MODEL?

Jessica Alba goes youthful in a modified Badgley Mischka glen-plaid dress in platinum-gray from the Fall 2007 collection at the Australian premiere of Fantastic Four: Rise Of The Silver Surfer in Melbourne. The fashionable actress finished off her look with a pair of diamond-encrusted hoop earrings and silver peep-toe pumps.

To the right, Brazilian supermodel Solange Wilvert.

Who wears it best? JESSICA ALBA or THE RUNWAY MODEL?

Drew Barrymore wore another multitiered ruffled number (Salvatore Ferragamo Spring 2007) to The Late Show with David Letterman on Wednesday in NYC to promote her new poker flick Lucky You, out in theaters now. She finished off her look with Jimmy Choo shoes and jewels by Lorraine Schwartz.

To the right, Estonian supermodel Carmen Kass.

Who wears it best? DREW BARRYMORE or THE RUNWAY MODEL?

Scarlett Johansson arrived at the Louis Vuitton “Love” party in a daring metallic corset top and skirt from Louis Vuitton’s Fall 2007 line on Thursday night in NYC. To complete the ensemble, Scarlett paired the outfit with pair of silver pumps and a new bleach job.

The fall 2007 line, designed by Marc Jacobs, was inspired by Ms. Johansson and Johannes Vermeer, the painter of the Girl with a Pearl Earring (played by Scarlett on the silver screen).

To the right, Brazilian supermodel Carolina Pantoliano.

Who wears it best? SCARLETT JOHANSSON or THE RUNWAY MODEL?

Selma Blair shows off her much-needed dye job in a sequined strapless cocktail dress from the Oscar de la Renta Fall 2007 collection at the premiere of her new film Purple Violets at the 2007 Tribeca Film Festival on Monday in New York City.

To the right, Brazilian supermodel Flavia De Oliveira.

Who wears it best? SELMA BLAIR or THE RUNWAY MODEL?

Same shirt, same skirt, same bag, same month. Just a different year!

To the left, Victoria Beckham wore her long tresses with a red skirt by Louis Vuitton and a pair of red pumps in New York City last April. The former Spice Girl completed her with look with a red $10,200 Asprey alligator handbag from the 167 collection.

To the right, Posh wore her short blonde crop with the same LV skirt and Asprey bag as last April while out shopping on Saturday in Beverly Hills. But this year, she left her shirt tucked out and opted for a pair of red suede peep-toe Tribute Pumps by Yves Saint Laurent.

Victoria Beckham wears it best — THEN or NOW?