Earlier today, UFC champion? Nate Diaz sat down with “Extra’s” Charissa Thompson at Universal Studios Hollywood, where he chatted about his newfound fame after his huge win against Conor McGregor at UFC 196 last weekend.

After Diaz’s win, Justin Bieber took to social media to voice his displeasure by posting a pic of McGregor and writing, “Still the champ.” Diaz sent a message to Bieber, chatted about plans for a rematch, and laughed off retirement rumors.