0 of 5
Now the UFC's fourth-ever double champion is attempting to become the only one of those to have defended both titles as the reigning "champ champ".
Standing in her way is Felicia "FeeNom" Spencer, a former Invicta FC champ hoping to carve out her own piece of history at Nunes' expense.
Plus, UFC 250 is packed to the brim with returning fan favorites in high-quality and important divisional matchups that should help the UFC crown future champions someday.
Here's Bleacher Report's preview for the massive UFC 250: Nunes vs Spencer PPV card taking place this weekend in Las Vegas.