The stars of Iron Man 2 were out at a photocall to promote the movie in LA on April 23.
Scarlett Johansson wore a pale grey RM by Roland Mouret dress and Christian Louboutin snake-skin pumps.
And in a darker shade Gwyneth Paltrow looked utterly chic in her Victoria Beckham collection dress paired with nude and black heels by Georgina Goodman.
For anyone interested Scarlett's "Artemis" dress is on-line at brownsfashion.com (only in blue).
And Gwyneth's Georgina Goodman "Leon Love" sandals are available at matchesfashion.com.
A whole host of hot celebs were out for the Us Weekly Hot Hollywood Style Issue party held in LA on April 22.
Jennifer Lopez hasn't had a night off from glitz while promoting The Back-up Plan, and again she was at her sparkling best in a gorgeous Georges Chakra dress with metallic heels from the designer too.She practically invented the phrase "That's Hot" so it's only fitting Paris Hilton would be at the Hot Hollywood party.
Attending with Nicky Hilton, both wore sexy mini dresses. Paris's was a Rebecca Minkoff design which she paired with her black Gretchen "Actress" clutch and YSL platforms.
And Nicky wore her strapless lbd with Christian Louboutin pumps.
Paris's Rebecca Minkoff "Claudia" dress is on-line at shopbop.com.
Audrina Patridge, Nicole Scherzinger and Nikki Reed all wore varying shades of pink.
Audrina went for a pale powdery shade with her one shouldered dress which was paired with black Givenchy open-toe booties and a nude clutch.
Nicole went bolder in a berry shade with her Foley+ Corinna Hooded Jersey Dress, available at shopbop.com.
And Nikki wore a hot pink Jay Godfrey dess and black accessories including a Celestina clutch.
Anna Kendrick wore a quirky little dress with her choice of blue print Emilio Pucci. Crystal studded Sergio Rossi sandals completed her look.
Jennifer Lopez on the red carpet for the Hollywood premiere of her new movie, The Back-up Plan.
Jennifer flattered her figure in a form-fitting silver dress from Gianfranco Ferre, accessorized with Ferragamo pumps, Louboutin clutch and Cartier jewels.
Joining J Lo at the premiere was mom-of-four Heidi Klum who shimmered in a glittering dress from Project Runway designer Emilio Sosa.
She paired the strapless dress with lilac and black Christian Louboutin sandals.
Heidi's Christian Louboutin "Zigounette" Sandals are on-line at net-a-porter.com.
Hayden Panettiere at the Global Home Tree Earth Day celebration held in LA on April 22.
Hayden was looking sexily sophistacted in her sheer-topped Emilio Pucci dress and showed off her fab new shorter hairdo - maybe not to everyone's taste but I think it suits her so well.
Accompanying the look was black tights, Salvatore Ferragamo platforms and a classic black clutch.
April 22nd was Earth Day and celebrating the event Nicole Richie attended Dasani's Pre-Earth Day event in LA.
Customising her own cute hat for the "Green Cap" ocean conservation program, Nicole wore a simple cami top from her Winter Kate collection, dark blue jeans and topped with a peachy-pink fringed vintage jacket.
Heading to The Late Show with David Letterman, Demi Moore showed off her fab tanned and toned legs in a purple Oscar de la Renta dress.
The Joneses star accessorized with Brian Atwood hidden platform pumps and dark YSL sunglasses.
For anyone interested in the Atwood "Maniac" pumps, which have been seen on so many celebrities, they can be pre-ordered in tan, blue or black at intermix.com.
Cameron Diaz was looking seriously chic as she stepped out with the co voice stars for the premiere of the last Shrek movie, Shrek Forever After.
Usually colorful Cameron kept it dark for the event in a black Lanvin dress paired with nude heels - also Lanvin - and just a slick of red lipstick for her signature pop of color.
Heidi Klum showed off her new fringed hairdo and some fab Louboutins as she left a restaurant in LA a few days ago before making an appearance on The Jay Leno Show.
Heidi looked great in her beige Roland Mouret dress and Christian Louboutin's "Frutti Frutti" heels.
Amanda Seyfried at the LA premiere of her new movie, Mother and Child, on April 20.
Amanda wore a purple satin dress from Bodyamr, along with black tights and accessories.
Britt Robertson, another star of the movie, was also at the premiere.
Being honest, I've never heard of her before but Britt looked lovely in her beige Tadashi Shoji dress and well co-ordinating peep-toes and sparkly clutch.
Here's another fab look from Kim Kardashian, this time looking amazing as she left The Ivy in Sydney last week.
Kim wore a gorge little black dress from Elizabeth and James with the stunning Giuseppe Zanotti Zip Cuffed Jewel Sandals. The incredible sandals are on-line at neimanmarcus.com and cost $1360.00. The closest style steal I could find is the Jessica Simpson "Angus" shoe, featuring multi studded straps, it costs $88.00, check it out at zappos.com.
Kelly Ripa was all color co-ordinated, even with her husband, as she and Marc attended the Point Foundation's 3rd Annual Point Honors New York Gala on April 19.
Petite Kelly wore a red Donna Karan dress with grey trim - matching in with her grey heels, clutch and hubby's suit.
Kelly's grey sandals are Fendi's Suede and Tulle sandals which are available on-line at mytheresa.com - gorgeous but pricey at £545.95/$811.30.
Carrie Underwood at the 45th Annual Academy of Country Music Awards held at Las Vegas's MGM Grand Garden Arena on April 18.
The night's big winner showed off some gorgeous styles, first arriving in a gorgeous caramel colored dress from the Basil Soda Spring 2010 collection.
Showing off her awards she was later in a sweet silver mini prom style dress and dazzling silver jeweled sandals.
And for the Brooks & Dunn Last Rodeo Tour, held at the MGM Grand on the next night, Carrie switched to a shimmering sequin covered Talbot Runhof dress and some black satin Rene Caovilla sling-backs.