Today is President Barack Obama's 50th birthday. Who makes the guest list of the presidential knees-up and who'll be left stranded in the cold? From Sarah Palin to Beyonce, we take a tongue-in-cheek look.

Obama's 50th Party: Who's Invited?

Scarlett Johansson

Jon Voight

Halle Berry

Gene Simmons

Beyonce

Matt Damon

Sheryl Crow

Sarah Palin

David Beckham

Jon Stewart

Oprah Winfrey

Donald Trump

Barbra Streisand

George Clooney

Jane Lynch

Robert De Niro

Rep. Michelle Bachmann

Tom Hanks

Madonna

Glenn Beck

Spike Lee

Susan Sarandon

Ricky Gervais

Whoopi Goldberg

Rep. Ron Paul

Obama's 50th birthday: the guestlist