After her surprise defeat to Holly Holm in November 2015, former UFC bantamweight champion Ronda Rousey has been the subject of a litany of questions.

Can she come back from the defeat? If she can come back, when will it happen? Can she effectively compete against the long list of talented bantamweights?

One question was answered earlier this month, when UFC announced Rousey will face champion Amanda Nunes on Dec. 30 at the T-Mobile Arena in Las Vegas in UFC 207.

Prior to the loss to Holm, some could argue that Rousey was the most dominant athlete in any sport. She was undefeated in 12 fights, and only star fighter Miesha Tate lasted beyond the first round against the hard-nosed southern Californian. There was an air of invincibility surrounding Rousey before she fought Holm, winning her previous three fights by a combined time of 1 minute and 4 seconds.

But now she will take on Nunes, who has won four consecutive fights, including a first-round win over Tate in July. Nunes thoroughly dominated Tate, pummeling her with a barrage of punches and knees that left Tate bruised and bloodied before winning with a chokehold.

Nunes, 28, started training in karate as a child and began her UFC at the age of 20. The Brazilian's last loss was to Cat Zingano, an opponent Rousey defeated in 14 seconds in February 2015.

Nunes, who predicts she "will be the best champion UFC has ever had," is well aware of Rousey's fame and reputation, and has already stated that one match is probably not enough for the two fighters to settle their differences.

"People want to see Ronda Rousey come back and it's the best time. I think she deserves this. She was a very dominating fighter. I think she deserves not only one but two (title shots)," Nunes told Fox Sports.

"She's going to lose and I'm going to give it to her again in an immediate rematch."

Nunes also thinks that Rousey, who has battled injuries to her knee and foot, will have rust following her long layoff. She also appears to be attempting to get inside her opponent's head.

“She’s going to be a little bit off, but I’m still waiting for the best Ronda Rousey,” Nunes said, according to the Associated Press. “Whatever she shows me, I’ll be ready [and] I think she’ll have a hard time because of the time off.”

Rousey, 29, has mostly remained mum about her upcoming fight. She has posted messages on social media, but mostly just promoting the fight.

There appears to be an all-business approach from Rousey in recent months with so many curious about her comeback. In August, a Los Angeles Times reporter dropped by Rousey's gym in the L.A. suburb of Glendale. When asked about when she would return to the octagon, Rousey responded: "I'm not talking to anyone right now."