Grammy awards 2010: It's ladies' night

Beyoncé turns it up to 11 as she performs a medley of If I Were a Boy and Alanis Morissette's You Oughta Know Photograph: Jeff Kravitz/FilmMagic.com Photograph: Jeff Kravitz/guardian.co.uk Elton John and Lady Gaga join forces on a piano with two sets of keys and roughly 25 human arms. As you do Photograph: Robyn Beck/AFP/Getty Images Photograph: Robyn Beck/guardian.co.uk Lionel Ritchie accompanies Michael Jackson's children, Paris Katherine and Prince Michael, as they pay tribute to their late father at the same venue in which his memorial was held last year Photograph: Jeff Kravitz/FilmMagic.com Photograph: Jeff Kravitz/guardian.co.uk Guitarist Jeff Beck performs a tribute to Les Paul, which included an extended solo during Paul's How High the Moon Photograph: Robyn Beck/AFP/Getty Images Photograph: Robyn Beck/guardian.co.uk Beyoncé sits with her nephew, Juelz Knowles, and her husband, Jay-Z, to watch a 3D film in which Michael Jackson posthumously paid tribute to Mother Earth. You couldn't make it up, could you? Photograph: Kevin Mazur/WireImage.com Photograph: Kevin Mazur/guardian.co.uk Lady Antebellum. But is she trying to steal the 'wacky outfits' crown from another Lady we can think of? Photograph: Robyn Beck/AFP/Getty Images Photograph: Robyn Beck/guardian.co.uk Black Eyed Peas' speakers were so incensed at having to play their music that they came alive in protest Photograph: Michael Caulfield/Michael Caulfield/WireImage.com Photograph: Michael Caulfield/guardian.co.uk Beyoncé and Rihanna appear to be giving each other the once over. Ladies, you both look fierce Photograph: Kevin Mazur/WireImage.com Photograph: Kevin Mazur/guardian.co.uk Slash and Jamie Foxx after performing with T-Pain. Foxx later jokingly apologised to Death of Auto-Tune rapper Jay-Z for his heavy use of the vocal aid during the song Photograph: Matt Sayles/AP Photograph: Matt Sayles/guardian.co.uk Lady Gaga holds up her awards for best dance recording and best electronic/dance album. She'll probably have them made into shoes, or something Photograph: Andrew Gombert/EPA Photograph: Andrew Gombert/guardian.co.uk Maxwell broke his hiatus last year with the album BLACKsummers'night, and was rewarded with prizes for best R&B album and best male R&B vocal performance Photograph: Valerie Macon/AFP/Getty Images Photograph: Valerie Macon/guardian.co.uk Green Day bring a dose of muted anarchy to the Grammys as they pose with their awards. Those kerazy guys ... Photograph: Valerie Macon/AFP/Getty Images Photograph: Valerie Macon/guardian.co.uk With this many awards, it's hardly surprising that Taylor Swift dropped one Photograph: Valerie Macon/AFP/Getty Images Photograph: Valerie Macon/guardian.co.uk