Giddyup -- Johnny Weir and Victor Voronov will be making their first public appearance as husbands reunited this weekend ... at the Kentucky Derby ... so we're told.
As we reported, Weir will be covering the Derby for NBC as a fashion expert with Tara Lipinski -- but any free time he has will be spent with Victor.
We're told Victor really wanted to cement the couple's reconciliation after they slammed the brakes on their nasty divorce last month ... and the Derby felt like the perfect opportunity.
TMZ broke the story ... Johnny and Victor reunited after agreeing to sign a post-nup document, promising each other various weird things ... including never to masturbate with other people.
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