Rihanna shut down the very Met Gala's red carpet for a regal yellow coat. And then come Bey. Dressed lavishly by Far east designer Guo Pei, Rihanna clutched her fur-trim frock closed and simply dragged a mammoth train the grand staircase Monday during 1 fashion's biggest nights of the time. Read: Met Gala 2015: The author Jessica Parker Explains Her Bananas Outfit Related: Sofia Vergara's the actual Other Met Gala Marchesa Attire Took More Than 1, 000 Put together Hours to Make Beyonce Steps In a Jaw-Dropping Gown She was obviously a latecomer, but Beyonce was only later, wearing a peekaboo custom Givenchy iPhone 5 case Haute Couture by Riccardo Tisci adorned with multicolored crystals and simply stones. Her high ponytail and simply barely there ensemble were frolicsome counterpoints to Rihanna's swirls of all royal gold and matching headpiece. (Note: No Bey-Jay-Solange elevator smackdowns like last year, as far as we know. ) The evening, aimed at raising milli...