Serena Williams showed off her sculpted legs as she cosied up to her husband and daughter in a sweet holiday snap.MORE: Serena Williams' unbelievable kitchen was designed by sister Venus - photosTaking to Instagram, the former Wimbledon champion shared a candid photo of her family posing in front of the impressive Parthenon temple. With her hands on her hips, Serena rocked a figure-hugging black dress featuring a dramatic thigh-split.WATCH: Serena Williams' rare glimpse into her daughter's bedroomShe accessorised her sultry dress with a pair of Nike trainers, chunky silver rings, black sunglasses, and a delicate gold triangle pendant.MORE: Serena Williams stuns in hot pink mini dress at the premiere of Thor: Love & ThunderMORE: Serena Williams shares sweet video revealing who is right by her side during aftermath of unexpected newsThe mum-of-one beamed alongside her beau, Alexis Ohanian, and their four-year-old daughter Alexis Olympia.