'Bachelor' Nick Viall's Exes Put Him in the Hot Seat on 'Jimmy Kimmel Live!'

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After a night of handing out roses as the Bachelor, Nick Viall found himself seated next to the two women who previously rejected him on national television.

The 36-year-old reality star made an appearance on Jimmy Kimmel Live: For the Right Reasons on Monday night, after the season premiere of The Bachelor, where he and former Bachelorettes Andi Dorfman and Kaitlyn Bristowe all sat down together for a little chat.

WATCH: Did 'The Bachelor' Just Reveal One of Nick Viall’s Final Three Women?!

While the encounter was a little "awkward" -- as described by Dorfman -- Viall did take the opportunity to thank his famous exes for not picking him at the end of their respective seasons. 

"We're friends… We're friendly," he said, before the women revealed that they were both guests at the wedding of Bachelor in Paradise couple Jade Roper and Tanner Tolbert, where Viall hooked up with current Bachelor contestant Liz.

"I was the single girl, and they were all, like, up on the bridesmaids and apparently the maid of honor," Dorfman joked, setting Viall up for a line of Kimmel's questioning. "It was an interesting morning after."

WATCH: 'Bachelor' Nick Viall’s Sexy Past With One Contestant Revealed! (And, Is Corinne the Season Villain?)

The Wisconsin native was also forced to relive the details of his fateful one-night stand with Liz, revealing he didn't remember which room the two went back to after the wedding -- but claiming that he did, in fact, recognize her on night one of the reality show.

"I recognized her right away. At that point, I think 14 other women had shown up. So she gets out of the limo and I'm like, 'That's Liz.' She walks up and kind of just has this grin, but didn't say anything," he explained. "So I'm thinking, on the off chance that I am wrong, I didn't want to be like, 'Hey, nice to see you again!' and have her say, 'Nope, not me.' So I was like OK, I'm pretty sure this is Liz, and she just went with the whole, like, 'I'm gonna see if he knows me,' which I was a little caught off guard by. I didn't know what to do!"

Kimmel then grilled Viall on another standout from the night, Corinne, who made the bold move of kissing him before the first rose ceremony, and revealed in her Bachelor intro that she still has a nanny -- at 24 years old.

"I like a woman who knows what she wants," Viall said of Corinne's kiss, before commenting on the other woman -- Corinne's nanny, Raquel.

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"While I certainly appreciate the potential red flags of a grown woman having a nanny, I also thought to myself, 'Huh, what are the benefits? If this works out, do I also get the nanny?'" he joked, confessing that it was another contestant that alerted him about #Nannygate.

While Kimmel was satisfied with Viall's answer, he couldn't let the Bachelor slide without asking for Dorfman and Bristowe's input on who will make the final four.

Kimmel's picks? Corinne, Rachel, Danielle L., and Vanessa, with Vanessa as the winner.

Bristowe's hilarious commentary? "I think if they brought their A game and their D cups, they're in."

WATCH: Nick Viall Says He 'Definitely Found Love' on 'The Bachelor,' Reveals Andi Dorfman Reached Out Before Filming

See more on Viall's journey to find love in the video below.