Jessie J ‘SNL’
British songbird Jessie J turns 23 today, and what a perfect time to celebrate the amazingly swift and steady success the Who You Are singer has had this year (and it's only March!). She may have been left off of Britney's Femme Fatale, but the rest of the pop music world is clearly ready to embrace the "Party In The U.S.A." songwriter. Check out the "Price Tag" songstress' 2011 big milestones thus far. It's clear no one can do it quite like Jessie.