Heidi Montag fills out a purple dress from her fashion line, Heidiwood, after leaving the Plaza Hotel in NYC with her beau-manager Spencer Pratt on Wednesday. The Hills feminist hero walked in a pair of strappy ‘Tie-Dyed Gladiator’ sandals from Balenciaga by Nicholas Ghesquiere.

Sarah Jessica Parker shot a commercial for Cidade Jardim in the same blue Balenciaga sandals also on Wednesday in Sao Paulo, Brazil. Price tag? $725.

Who wore it best — HEIDI MONTAG or SARAH JESSICA PARKER?

Emmy Rossum glowed in a canary yellow Dior by John Galliano gown at Wednesday’s “New Year’s In April: A Fool’s Fête” in New York City. The 21-year-old Dragonball actress accessorized with a glitzy gold belt and a matching metallic clutch.

Porn-star-turned-actress Jenna Jameson wore the same Dior dress the day before at the Los Angeles premiere of Zombie Strippers.

Who wore it best — EMMY ROSSUM or JENNA JAMESON?

Gwyneth Paltrow wore a gorgeous gray YSL dress at “The Prince’s Trust Celebrates Success Awards” in London Square on Tuesday. The 35-year-old actress topped off her look with a jacket, leggings and strappy shoes (all in black).

Julianne Moore glammed up in the same YSL dress back in January at a Boucheron party on Monday in Paris, France.

Who wore it best — GWYNETH PALTROW or JULIANNE MOORE?

Lauren Conrad wears a floral strapless monochromatic dress while out and in Beverly Hills on Saturday. The Hills star accessorized her look with a black handbag and her fave Dita maroon shades.

To the right, Lauren’s lab/shepherd mix dog, Chloe, wearing the same Dita shades while chillaxin’ around the house.

Who wore it best — LAUREN CONROD or her PET POOCH? More Here! »

Kate Beckinsale donned a one-shoulder strapped Versace gown to the 16th Annual Elton John AIDS Foundation Academy Awards viewing party at the Pacific Design Center on Sunday in West Hollywood.

To the right, Dutch supermodel Rianne Ten Haken.

Who wears it best — KATE BECKINSALE or THE FASHION MODEL? More Here! »

Rapper Lil Mama drops her tomboy-ish act and goes glam in Chanel at the legendary Clive Davis Pre-Grammy Party held at the Beverly Hilton Hotel on Saturday in Beverly Hills, Calif. Keira Knightley wore the same dress back in August during the Venice Film Festival.

(Other pictures include the 18-year-old America’s Next Best Dance Crew judge performing on Friday at the 2008 MusiCares person of the year honoring Aretha Franklin held at the Los Angeles Convention Center.)

To the right, Canadian supermodel Irina Lazareanu.

Who wore it best — LIL MAMA or THE RUNWAY MODEL? More Here! »

Ellen Pompeo attended the Marc Jacobs Fall 2008 fashion show and wore a sexy (yet wearable) piece from the same collection during Mercedes-Benz Fashion Week at the New York State Armory on Friday.

To the right, Russian supermodel Irina Kulikova.

Who wears it best — ELLEN POMPEO or THE RUNWAY MODEL? More Here! »

John Mayer slipped into a neon green thong aboard the “Mayercraft” cruise, which went to the Bahamas this past weekend.

Kazakhstani TV talking head Borat, aka Sacha Baron Cohen, wore the same green thong two years ago on the beach at The Cannes Film Festival.

Who wore it best — JOHN MAYER or BORAT? More Here! »