Groucho Marx and Alice Cooper

Prince William, Vanessa Redgrave and Uma Thurman by Greg Williams

Eric Clapton, John Lennon, Mitch Mitchell and Keith Richards.

Stephen Fry and JK Rowling

Pharrell Williams, Guy-Manuel de Homem-Christo & Thomas Bangalter (Daft Punk) and Kanye West

Diane Von Furstenberg, Gloria Steinem, Bella Abzeg and Barbra Streisand

Betty White and Shaq.

Carlos Santana and John McEnroe

Alex Turner, Alex Kapranos & Julian Casablancas

Aretha Franklin and Sam Cooke

Obama and Kobe Bryant 

Kathy Griffin and Jack Black

Sidney Poitier, Harry Belafonte, and Charlton Heston at the 1963 Civil Rights March on Washington

Ken Jeong and Travis Barker

Salvador Dali and Harpo Marx