Chris Hemsworth came out to celebrate the screening of his new flick Thor and mingle with the cast of Glee and other celebs at a bash at the Top of The Standard. Meanwhile, Rihanna, Vera Wang, David Bowie, Leighton Meester and more put on their best black tie for the DKMS Annual Gala.

The Cinema Society & Acura Host A Screening Of "Thor" - After Party

Cinema Society drew out the top A-listers, including half the cast from Glee, for summer's first official, action-packed, blockbuster release Thor. After the movie guests like Susan Sarrandon hit up the Top of the Standard to congratulate the flick's star Chris Hemsworth.

Susan Sarandon, Chris Hemsworth

Russell Simmons, Ralph Cirella

Stephen Baldwin

Anna Kurkova

Amber Riley, Chris Colfer, Ashley Fink

Dianna Agron

DKMS 5th Annual Gala: Linked Against Leukemia

DKMS held its annual gala at Cipriani, Wall Street.  Rihanna was honored for her work raising awareness about the fight against leukemia, as was Michael Clinton, president, marketing & publishing director at Hearst Magazines. After awards and dinner, Mary J Blige performed.

Rihanna, Pharrell & Katharina Harf

Vera Wang, Leighton Meester & Katharina Harf

David Bowie, Iman & Rihanna