Susan Boyle is the overnight YouTube Sensation who remained true to her self - and courageously redefined beauty, success, and celebrity.

While you’ll have to wait till Thursday to see Matt Lauer’s interview with Susan Boyle as part of NBC’s tribute to the most fascinating, inspirational, and heroic “People of the Year,” you can get the low down on the YouTube Phenomenon right here and find out why she’s one of our biggest Social Media Girl Crushes.

In case you missed it, Susan Boyle took the internet by storm this year and highlighted yet again the ability of the web to turn ordinary people into overnight sensations. The Internet superstar who was plucked from Scottish anonymity may not have won “Britain’s Got Talent,” but her authenticity and courage against the odds helped her win over the hearts and minds of cynics across the world!

When the unconventional star took the stage, her beautiful voice belied her plain appearance and wowed 10 million TV viewers before quickly becoming one of the biggest YouTube sensations of all time. Her touching rendition of “I Dreamed a Dream” from Les Miserables propelled her into the limelight where she remained true to her self – courageously redefining beauty, success, and celebrity.

More than just a pop culture icon, the dowdy 48-year-old let her talent shine, proving that there is nothing more viral than genuine talent. The cultural sensation may have secured her music career by winning over internet fans one click at a time, but even more memorable is the incredible story of how she finally found her voice.

For more extraordinary women on the web, check out the Top Women in Social Media and vote for your biggest social media girl crush!