You may recognize this feline as a former "first pet" — Socks joined the Clinton family for both terms in the White House. After they left in early 2001, the kitty took up residence in Hollywood, MD, with Bill Clinton's secretary, Betty Currie. The cat was nearly 18 and battling lung cancer when Currie confirmed Socks's death this evening, saying that she was "heartbroken." Follow Socks's story and start this slideshow of his big moments during the DC years. We'll miss you!