SBoy, it is hot in here! It must be all the heat emanating from celebrity couples at the Grammys [1]. Music's biggest night went down in LA on Sunday night, and there was no shortage of sexy PDA moments. From Kylie Jenner and Travis Scott's cuddle session [2] on the red carpet to Cardi B and Offset's steamy kiss [3], celebrity couples certainly got a head start on their Valentine's Day celebrations at the ceremony. Ahead, see some of the hottest PDA moments of the night!