Do you know pop music? In this quiz u will find out if you know who sings songs or if you know song lyrics ! Have fun ! piano8 published on October 14, 2013 Stacked 1/10 who sings roar ? Katy Perry Selena Gomez Jessie J Taylor Swift 2/10 "Only know you love her when you let her go , and you let her go " who sings that ? one direction Bruno mars Passenger Take that Justin Timberlake 3/10 who sings blurred lines ? Justin Timberlake Selena Gomez Justin Bieber Will.i.am Robin Thick 4/10 who is Taylor Swifts celebrity best friend ? Demi Lovato Rhianna Jessie J Selena Gomez Miley Cyrus 5/10 Who sings la la la? Robin Thick Naughty boy Connor Maynard Justin Timberlake 6/10 How old is Cher Lloyd 2013 ? 18 22 24 20 19 7/10 How old is Justin Timberlake ? 32 40 29 31 8/10 "it feels like a perfect night to dress up like hipsters and make fun of our x's " what song is that ? firework wings 22 come and get it heart attack 9/10 what is Katy Perry's middle name ? hudson drew ellie rose elizabeth 10/10 what is Ellie Goulding's real name Ellie Rose Gouldings Elena Julie Goulding Elena Jane Goulding Elizabeth Rose Goulding