Sometimes it's hard to believe that the first time we heard about Solange, she was introduced to us as quote-unquote "Beyoncé's kid sister." True, the Knowles are definitely a family — supporting one another, appearing in pictures together frequently, and both carrying themselves with a unique sense of grace. Yet, remembering that Solange used to be billed as "the sister of Beyoncé" in our cultural perception is astounding to us, especially since, in the last few years, girl has delivered on the red carpet (and in our headphones, too — but that's a different story). Yet, she has had a true evolution, from the tween tagalong of her big sis, to an emerging but fascinating singer, to a recognized songstress and a true style professional. Here's to the second, but no less beloved, Knowles sister.