Livvy Dunne had a blast at some Mardi Gras festivities over the weekend -- stunning in a pair of breathtaking outfits ... while telling her followers she "earned" some beads!!
The LSU star gymnast worked as the Grand Marshal in the Krewe of Endymion parade in New Orleans on Saturday night ... and looked incredible in a tight dress adorned with a flowery green shawl.
LIVVIN' IT UP
She tossed out beads to throngs of people, chilled with Katy Perry, and described the evening as "one of the most fun nights of my life!