Olympic gymnast Nastia Liukin isn't just a human rubber band, she's witty, too. The five-time Olympic medalist's 1 million Instagram followers got a giant reminder of her knack for captioning videos last night – Nastia, 31, can party like a queen when she wants to, but the 2008 all-around Olympic champion spent her Friday night doing the opposite as she lounged around her couch with her dog. Nastia, who filmed herself in selfie mode from her Dallas, TX home, offered sarcasm and, seemingly, no clothes. Check it out below.