American singer and songwriter Beyonce performing on stage at Glastonbury Festival, 2011.

Mark Twain Prize for American Humour Recipient, Bill Murray, 2016

Mark Twain Prize for American Humour Recipient, Julia Louis-Dreyfus, 2018

Mark Twain Prize for American Humour Recipient, Jay Leno, 2014

Mark Twain Prize for American Humour Recipient, Ellen Degeneres, 2012

Mark Twain Prize for American Humour Recipient, Eddie Murphy, 2015

Mark Twain Prize for American Humour Recipient, David Letterman, 2017

Mark Twain Prize for American Humour Recipient, Dave Chappelle, 2019

Mark Twain Prize for American Humour Recipient, Carol Burnett, 2013

Mark Twain Prize for American Humour Recipient, Billy Crystal, 2007

American singer, songwriter and actress Lady Gaga, real name Stefani Joanne Angelina Germanotta, photographed outside her hotel in London, May 2011.

Kate Moss is photographed arriving at a party for the opening of Topshop in Knightsbridge, London in May of 2010. The British supermodel and businesswoman rose to fame in the early 1990s and has since become of of the most influential fashion figures in the world.

Robert Risko captures the larger than life Muhammad Ali in this unpublished illustration from 2015. Risko's inimitable, hard-edged, retro-airbrush illustrations have been celebrated by and featured in numerous esteemed publications and adorned book jackets, video covers and movie posters.

Robert Risko captures Liza Minelli's signature look in this whimsical illustration for Vanity Fair in 2010. Risko's inimitable, hard-edged, retro-airbrush illustrations have been celebrated by and featured in numerous esteemed publications and adorned book jackets, video covers and movie posters.

Robert Risko captures Elton John's sartorial flare in this unpublished illustration from 2019. Risko's inimitable, hard-edged, retro-airbrush illustrations have been celebrated by and featured in numerous esteemed publications and adorned book jackets, video covers and movie posters.

Robert Risko captures Marilyn Monroe's cheeky charm in this unpublished illustration from 2014. Risko's inimitable, hard-edged, retro-airbrush style has been celebrated by and featured in numerous esteemed publications and adorned book jackets, video covers and movie posters.

Nick Cave's face is covered by hydrangeas as he is photographed at his home in Brighton, England in May of 2017. Lauded for his introspective and emotionally charged lyrics, Cave was the frontman for postpunk groups Birthday Party and Nick Cave and the Bad Seeds before expanding into film and writing.

PJ Harvey is photographed on stage during a performance at Le Bikini in Toulouse on June 1, 2016. Having gotten her start as a member of Automatic Dlamini, the English musician, singer-songwriter, writer, poet and composer also found success fronting her eponymous trio and as a solo artist.

B.B. King is photographed thanking the audience after a performance at the Royal Albert Hall in London on 28th June 2011. The American blues musician was known as "the King of the Blues" and is widely considered one of the most influential electric guitarists of the last half of the 20th century.

Grace Jones is photographed on stage at Wireless festival in London's Hyde Park on July 3, 2011. The model, actress, and singer is known for her androgynous style, often playing with gender via her silhouettes and bold fashion.   

Kate Moss is photographed arriving at a party for the opening of Topshop in Knightsbridge, London in May of 2010. The British supermodel and businesswoman rose to fame in the early 1990s and has since become of of the most influential fashion figures in the world.

44th President of the United States Barrack Obama is photographed giving a speech at the Town Hall in London on April 23, 2016. The event was held for The President to discuss next generation political involvement and Britain's participation in the European Union  with Young Leaders of the UK.

Football legend Pele poses with the World Cup Trophy on the beach near his home in Santos, Brazil in April of 2013. It was this opportunity to photograph Pelé that brought O'Neill briefly out of retirement.

Football legend Pele poses with the World Cup Trophy on the beach near his home in Santos, Brazil in April of 2013. It was this opportunity to photograph Pelé that brought O'Neill briefly out of retirement.