Close up pics of Rihanna & Beyonce got people talking..

These closeup pics of Beyonce and Rihanna at the MET gala is now a topic of discussion.They say Beyonce looks older than her age(33)with dark circles under her eyes,while 27 year old Rihanna looks flawless..
Well I doubt Beyonce even sleeps ,she is always working ...That may explain the look..