Not a singlespeed, but given that it's a bullhorned bianchi it's more likely to show up on people's radars here than anywhere else. Not mine, but contact me or the user Euroford (it's his) if you see it.
Jacked in the loop during the day, skip chastising for the cable lock, he knows better now.
edit: and yeah, I F'd up and spelled celeste wrong in the thread title