Sailor Moon Crystal Birthday Live Special featuring the Sailor Moon
Crystal seiyuu :
Mitsuishi Kotono (moon), Kanemoto Hisako (mercury), Satou Rina (mars),
Koizumi Ami (jupiter), Itou Shizuka (venus), Fukuen Misato (chibi
moon), Nojima Kenji (earth).

6.30 is the birthday of both Usagi.  The event is being aired by niconico.

Whole event version (5 hours 15 minutes)
https://www.youtube.com/watch?v=bDIe-Mchc6I

Excerpt version (16 min)
http://www.nicovideo.jp/watch/sm26604955

-- 
'CuSO4' Yung