They have won 11 awards in 2010.
28 awards. (June 2010)
K'naan won 3 Awards (as on August 10, 2010). 1) 2006 Juno Awards: Rap Recording of the Year for The Dusty Foot Philosopher. 2) 2010 Juno Awards: Artist of the Year 3) 2010 Juno Awards: Songwriter of the Year.
It was Florence and the machine
Yes, Miley Cyrus has won 14 Awards at the KIds' Choice Awards and she has won Kids' Choice Awards starting with the 2007 Awards with the exception of the 2011, 2012 and 2013 Awards shows. She won Favorite TV Actress in 2007, 2008, 2009, 2010 and 2011, she won Female Singer for 2008, 2009, 2010 and 2011, she won Favorite Voice from an animated movie in 2009 for her voice work in Disney's Bolt, she won Favorite Movie Actress in 2010 and 2011 and she won Favorite Song in 2010 for "Party in the U.S.A." and in 2014 for "Wrecking Ball."
Cathy Cassidy has won queen of teen 2010
Beyonce
All awards and honorable mentions for the 2010 Wammy Awards can be found on the page linked below.
Justin Bieber won Best New Artist and the 2010 VMA Awards.
She has won 5 Grammy's as of 2010
Justin Bieber has won no Grammy Awards.
Taylor Swift won in Nickelodeon Teen Choice Awards 2010. Hope that helps!