Ryan Lochte's girlfriend appears to be clapping back at the swimmer's ex, Kayla Rae Reid ... saying at no point did "betrayal" play a role in their new coupling.
The Team USA great went Instagram official with Molly Gillihan over the holiday weekend ... with Lochte -- who confirmed his divorce from the Playboy model last month -- sharing a pic of them cozied up on some boat docks.
Just days ago, Reid posted a motivational message about how "betrayal" can lead to "breakthrough" on her own profile .