First Apple Bottom and probably one of the most famous we will take a look at! It's none other than that sexy Williams Sister in the famous catsuit. Do yu see the way that Serena's apple bottom claps when she is about to return the serve?Gravity is her friend and our friend. Serena has thick muscular legs. Her buns of steel are built perfectly. See how round and shapely it is? It pokes out from her back, then goes into a complete circular curve until it hits her hamstrings. That visitors is an apple bottom in motion!