Hollywood Style Stars: Week of 4/18/11-4/23/11

1) Scarlett Johansson sizzled in a red Roland Mouret fall 2011 mini at a Wednesday cocktail and shopping benefit for the Children's Defense Fund in Santa Monica, CA.

2) Thor star Chris Hemsworth recently enjoyed a Slurpee from his very own Thor figurine cup (available exclusively at 7-Eleven stores).

3) Camilla Belle opted for a gorgeous Victoria Beckham two-tone silk-lamé dress from the celeb designer's spring 2011 collection. A Coach Kristin clutch and Sergio Rossi Cachet pumps completed her look.

4) Halle Berry proved that she's ready for spring by attending this year's Silver Rose soiree in a hot pink Roberto Cavalli creation. The bright color perfectly complemented her skin tone, as did her sparkly Christian Louboutin sandals and Stephen Webster bracelets.

5) Across the pond at the European premiere of "Arthur," Dame Helen Mirren popped a pose in a cheetah-print Dolce & Gabbana maxi dress, biker jacket, and diamond hoops.

6) Heather Graham looked peachy keen at Good Housekeeping's annual Shine On Awards in a $2,000, figure-hugging L'Wren Scott dress and matching patent leather pumps.