Here are the top five Pop Music downloads on iTunes this week.

See the list below and watch the music videos.

No. 5 - Wake Me Up by Avicii

No. 4 - We Can't Stop by Miley Cyrus

No. 3 - Applause by Lady Gaga

No. 2 - Blurred Lines by Robin Thicke

No. 1 - Roar by Katy Perry