Alrighty folks! Break out your calculators. We’re doing some quick math! If singer JoJo was 13 years old in 2004, when she became the youngest solo artist to have a number 1 single in the US, how old would Jojo be today? Did your calculator read “BEYOND LEGAL”? Ours did! Now 22 years old, Joanna “JoJo” Levesque has grown up to be quite the TTWG (Thick Thigh’ed White Girl)!