As Mr Carter began speaking, Mr Biden beckoned Stephanie Carter from across the room. He then put both hands on her shoulders as her husband thanked Mr Biden for presiding over the ceremony. Mr Biden's hands lingered for roughly 20 seconds until he leaned in and whispered in her ear. The incident sparked enormous reaction on social media, as viewers questioned Mr Biden's unusual behaviour. Here are a few more of Biden's 'nuzzleing' moments caught on camera... Picture: SAUL LOEB/AFP/Getty Images

Credit : SAUL LOEB/AFP/Getty Images