bal·let·o·mane 
(bă-lĕtə-mān′)
(bă-lĕtə-mān′)n.
An ardent admirer of the ballet.
[French : ballet, ballet; see BALLET + -mane, ardent admirer (from Greek -manēs; see men-1 in the Appendix of Indo-European roots).]
bal·let′o·mani·a (-mānē-ə, -mānyə) n.