2000's-2010's pop music

What is the correct spelling of this artist's name?

Which band are all four members (past and present) from Columbus Ohio?

Who became an Egyptian princess for a music video?

Who has three math-themed albums?

Where is Panic! at the Disco's origin?

Which artist uses ONLY drawings based off his album in the lyric video of his newest album?

Who are the two artists from One Direction that DIDN'T go solo?

Which artist "blew up" the music charts with his song, Dynamite?

Which artist used only himself and Photoshop doodles in his recent video?

Which artist DIDN'T have a song appear in an animated movie?

Which lyric video used Polaroids at the very beginning?

People are saying one star's haircut makes them look like another star. Who are they?

Which group sang about the government not fixing holes in the ground?

Which band is the best?

Who is the King of Pop?