Getty Images
John Mayer outside the 'Late Show with David
John Mayer outside the 'Late Show with David Letterman' studio John Mayer outside the 'Late Show with David on August 19, 2013 in New York, New York (Footage by WireImage Video/Getty Images)
Getty Images
Selena Gomez at the 'Late Show with David
Selena Gomez at the 'Late Show with David Letterman' studio Selena Gomez at the 'Late Show with David on March 18, 2013 in New York, New York (Footage by WireImage Video/Getty Images)
Getty Images
Jeffrey Klarik and David Crane at 2013 Writers Gui
Jeffrey Klarik and David Crane at 2013 Writers Guild Awards Jeffrey Klarik and David Crane at 2013 Writers Gui at J.W. Marriot at L.A. Live on February 17, 2013 in Los Angeles, California (Footage by WireImage Video/Getty Images)
Getty Images
Jeffrey Klarik and David Crane at 2013 Writers Gui
Jeffrey Klarik and David Crane at 2013 Writers Guild Awards Jeffrey Klarik and David Crane at 2013 Writers Gui at J.W. Marriot at L.A. Live on February 17, 2013 in Los Angeles, California (Footage by WireImage Video/Getty Images)
Getty Images
Michael Cera at the 'Late Show with David
Michael Cera at the 'Late Show with David Letterman' studio Michael Cera at the 'Late Show with David on July 08, 2013 in New York, New York (Footage by WireImage Video/Getty Images)
Getty Images
Michael Cera at the 'Late Show with David
Michael Cera at the 'Late Show with David Letterman' studio Michael Cera at the 'Late Show with David on July 08, 2013 in New York, New York (Footage by WireImage Video/Getty Images)
Getty Images
Michael Cera at the 'Late Show with David
Michael Cera at the 'Late Show with David Letterman' studio Michael Cera at the 'Late Show with David on July 08, 2013 in New York, New York (Footage by WireImage Video/Getty Images)
Getty Images
David Harewood 63rd Annual ACE Eddie Awards at The Beverly Hilton Hotel on February 16, 2013 in Beverly Hills, California (Footage by WireImage Video/Getty Images)
David Harewood 63rd Annual ACE Eddie Awards at The Beverly Hilton Hotel on February 16, 2013 in Beverly Hills, California (Footage by WireImage Video/Getty Images)
Getty Images
SPEECH - David O. Russell 63rd Annual ACE Eddie Awards at The Beverly Hilton Hotel on February 16, 2013 in Beverly Hills, California (Footage by WireImage Video/Getty Images)
SPEECH - David O. Russell 63rd Annual ACE Eddie Awards at The Beverly Hilton Hotel on February 16, 2013 in Beverly Hills, California (Footage by WireImage Video/Getty Images)
Getty Images
INTERVIEW - Jordan Goldman, David Harewood 63rd Annual ACE Eddie Awards at The Beverly Hilton Hotel on February 16, 2013 in Beverly Hills, California (Footage by WireImage Video/Getty Images)
INTERVIEW - Jordan Goldman, David Harewood 63rd Annual ACE Eddie Awards at The Beverly Hilton Hotel on February 16, 2013 in Beverly Hills, California (Footage by WireImage Video/Getty Images)
Getty Images
The Wanted arrive at the Late Show with David
The Wanted arrive at the Late Show with David Letterman at Celebrity Sightings in New York, 11/04/13 The Wanted arrive at the Late Show with David on November 04, 2013 in New York, New York (Footage by WireImage Video/Getty Images)
Getty Images
Paul Shaffer arrives at the Late Show with David
Paul Shaffer arrives at the Late Show with David Letterman at Celebrity Sightings in New York, 11/04/13 Paul Shaffer arrives at the Late Show with David on November 04, 2013 in New York, New York (Footage by WireImage Video/Getty Images)
Getty Images
ATMOSPHERE - Mourners gather at a prayer service held at St. David's Episcopal Church following a deadly car accident
ATMOSPHERE - Mourners gather at a prayer service held at St. David's Episcopal Church following a deadly car accident at the South by Southwest Music, Film and Interactive Festival (SXSW) on March 13, 2014 in Austin, Texas. Two people...
Getty Images
ATMOSPHERE - Mourners gather at a prayer service held at St. David's Episcopal Church following a deadly car accident
ATMOSPHERE - Mourners gather at a prayer service held at St. David's Episcopal Church following a deadly car accident at the South by Southwest Music, Film and Interactive Festival (SXSW) on March 13, 2014 in Austin, Texas. Two people...
Getty Images
ATMOSPHERE - Mourners gather at a prayer service held at St. David's Episcopal Church following a deadly car accident
ATMOSPHERE - Mourners gather at a prayer service held at St. David's Episcopal Church following a deadly car accident at the South by Southwest Music, Film and Interactive Festival (SXSW) on March 13, 2014 in Austin, Texas. Two people...
Getty Images
ATMOSPHERE - Mourners gather at a prayer service held at St. David's Episcopal Church following a deadly car accident
ATMOSPHERE - Mourners gather at a prayer service held at St. David's Episcopal Church following a deadly car accident at the South by Southwest Music, Film and Interactive Festival (SXSW) on March 13, 2014 in Austin, Texas. Two people...