Millie Thrasher – Wide Awake – The X Factor USA – Video by SOUTHOMER · September 19, 2013 Millie Thrasher auditions with “Wide Awake” by Katy Perry on The X Factor USA, Sept. 18, 2013. Millie did not look like she was 14 I thought she was at least 17 or 18. I call her cute. Watch the video here. Nice last name. Great voice.