For last years prestigious event, which centered around the theme In America: A Lexicon of Fashion, the Skims mogul, 41, arrived on the red carpet in a black bodysuit paired with a black T-shirt dress, matching black gloves and a face-covering mask designed by Balenciagas creative director Demna Gvasalia
Miss Monroe sang her version of Happy Birthday in her trademark sultry tones in front of 15,000 guests at a Democratic fundraiser at New York's Madison Square Garden
To complete the look, the "Gringo" actor wore high-top buckle sneakers and layers of long necklaces
Its funny, because people are always like, Theyre back , but they really truly never left
The Bravo star wore a mermaid-style gown designed by Reco Chapple, which included an illusion mesh top, hand-stitched Swarovski crystals and a 12-foot train made of ostrich feathers