A Timeline of Nikki Bella and John Cena's Rollercoaster Relationship

"Get pregnant with me, on my second," Brie Bella tells her sister while celebrating the good news.

After years of hoping, Nikki Bella is finally getting what she wants: a baby with the man of her dreams, John Cena.

During their reconciliation over an intimate dinner on this past Sunday's episode of "Total Bellas,", John changed his mind about kids (finally) and agreed that he would give Nikki a child in order to stay with her. A preview from this Sunday's episode shows Nikki's celebration with sister Brie Bella.

"Can you believe he's going to give me a baby?" Nikki says in the clip "And then I was like 'do I want to wait a year? Or maybe two?'"

"I can't even f--king believe it," Brie says to her. "Get pregnant with me, on my second."

"I just can't believe I get to be a mom," Nikki says. "And with the man of my dreams, I don't have to go find some guy to have a baby with."

And with a baby in the picture, the wedding is back on.

"I feel like I'm still trying to process that John and I are back on," she says in a confessional in the clip. "And now I have to get back into wedding planning mode and since we want to keep our same date, I am very behind."

"Total Bellas" airs Sunday nights at 9 p.m. on E!"

View Photos Getty John Cena, Nikki Bella and Apatow Clan Attend the 'Blockers' Premiere

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