There was <a href="http://www.rollingstone.com/music/news/christina-aguilera-beyonce-ne-yo-defy-naysayers-at-michael-jackson-tribute-concert-20111010">a big Michael Jackson tribute concert</a> in Wales over the weekend, and as you can see in the photos above and below, Christina Aguilera's transformation from Jenna Jameson lookalike to Snooki lookalike is <a href="http://www.buzzfeed.com/mjs538/top-5-most-frightening-pictures-of-christina-aguil?utm_campaign=socialflow&utm_source=twitter&utm_medium=buzzfeed">progressing along at warp speed</a>.