The week in music - in pictures

Willow Smith at the Men in Black III premiere, in New York, on 23 May Photograph: Everett Collection/Rex Feature

Alicia Keys presents the Billboard Icon award to Stevie Wonder in Las Vegas on 20 May Photograph: Christopher Polk/Billboards2012/Getty Images for ABC

Charlotte Gainsbourg performs at La Cigale in Paris on 21 May Photograph: David Wolff - Patrick/WireImage

Engelbert Humperdinck, representing the UK at the Eurovision song contest, attends a press conference in Baku, Azerbaijan, on 25 May Photograph: Sergei Ilnitsky/EPA

Flo Rida performs on 20 May in New Jersey, US Photograph: Brian Ach/Getty Images

Florence Welch performs in Sydney, Australia, on 24 May Photograph: Mark Metcalfe/Getty Images

Kylie Minogue attends the Cinema Against Aids event at Cannes on 24 May. The singer stars in Holy Motors, which is in competition this year Photograph: Pascal Le Segretain/amfAR12/Getty Images

Gary Numan at the opening night of his Machine Music tour in Leicester, UK, on 22 May Photograph: Ollie Millington/Redferns via Getty Images

Jessica Sanchez fans in the Philippines. Hundreds of fans from her hometown in Bataan, flocked to watch a screening of American Idol, in which the 16-year-old is competing Photograph: Dennis M. Sabangan/EPA

Justin Bieber performs at the 2012 Billboard Music awards in Las Vegas on 20 May Photograph: Ethan Miller/Billboards2012/Getty Images for ABC

Kelis performs at Cannes on 21 May Photograph: Andrew H. Walker/Getty Images for TwoFour54

Lil' Kim performs at the Paradise theatre in New York on 18 May Photograph: Cory Schwartz/Getty Images

Katy Perry sings above the stage at the Billboard Music awards in Las Vegas on 20 May Photograph: Ethan Miller/Billboards2012/Getty Images for ABC

You an actor? Pete Doherty and Lily Cole attend the Confession of a Child photocall at Cannes on 20 May Photograph: Pascal Le Segretain/Getty Images

Roger Waters performs during his Wall tour in Los Angeles on 19 May Photograph: Jerod Harris/WireImage

Sean Combs brings some swag to Cannes at the Killing Them Softly premiere on 22 May Photograph: Venturelli/WireImage

SkyBlu and Redfoo of LMFAO and rapper Wiz Khalifa at the 2012 Billboard Music awards in Las Vegas on 20 May Photograph: Kevin Mazur/WireImage

Slash performs at Rock on the Range festival in Columbus, US, on 19 May Photograph: Chelsea Lauren/FilmMagic

Snoop Dogg at a basketball game in Los Angeles on 18 May
Photograph: Mark J. Terrill/AP

Will.i.am carries the Olympic torch through Taunton, UK, on 21 May Photograph: Tim Ireland/PA