It was an emotional scene Friday at the PMAC in Baton Rouge, where Olivia “Livvy” Dunne and the fellow seniors on LSU’s gymnastics team were honored as they wrap up their collegiate careers.

Olivia “Livvy” Dunne took her 5.3 million Instagram followers on a wild ride Saturday as the Grand Marshal of the Krewe of Endymion parade in New Orleans before Mardi Gras. Clad in an emerald ...