Move over, Sophia Grace and Rosie, there's a new act in town! Check out 12-year-old Lennon Stella and her 8-year-old sister Maisy. These two took on Jason Mraz's latest hit "I Won't Give Up" in their latest YouTube video, and let me tell you, I almost like it better than the original. Check out the video after the jump! In going through their YouTube page, I saw that the girls have been singing together for quite some time (looks like at least since Maisy was 5), and they've become pretty damn good! I wouldn't be surprised to see these girls go far in life.