Simone Biles & Her Sister: The Pictures You Need to See

When it comes to family, Simone Biles has many avenues for support. That includes her younger sister, Adria, who is a fellow gymnast and was adopted along with Simone when the girls were younger. Adria calls Simone "the perfect best friend to have by your side in every situation," while the tight-knit relationship is surely an important factor in Simone's run of dominance and success, as well. "She knows how to make me laugh," says the older--and shorter--sister, "even when I'm really angry." Their closeness is that of which can be attained only by sisters who have gone through everything together, and you can click through the gallery to see and learn more about their history. (Twitter/Simone_Biles)