5 of 10

Solange Knowles

Solange KnowlesThough it was big sis Beyonce who once portrayed "Dreamgirl" Diana Ross in the Oscar-nominated flick, Solange was the one bringing the '70s back last night. Her lush, big hair paired with a slinky pewter silk dress by Calvin Klein Collection made for one show-stopping look. [Photo via @edwinalashan]
5 of 10
Feedback