http://fuckyeahlesbianism.tumblr.com/ -- Cheyenne's tumblr, mentioning her girlfriend Sierra
http://ohmydearsweetinsanity.tumblr.com/ -- Sierra's tumblr, mentioning her girlfriend Cheyenne
For you lovely readers not as involved in Tumblr's lezzie universe as Yours Truly is, it might be of passing interest that many girls' tumblrs refer to their girlfriends' tumblrs. Anyhow, this couple is kinda cute about their 'ship.