Bachelor in Paradise bachelorette Sierra Jackson has introduced her new boyfriend to the world.

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Sierra took to Instagram on Tuesday and posted a video featuring three different clips of The Bachelor alum being affectionate with her new boyfriend. The couple filmed themselves giggling and kissing on a couch.

RELATED LINK: 'THE BACHELOR' FRANCHISE COUPLES NOW: WHO IS STILL TOGETHER?? (PHOTOS)

"BTS," Sierra captioned the video, which stands for "behind the scenes," along with a heart emoji.

Many Bachelor Nation alums commented on Sierra's post and congratulated her on her new romance.

Sierra first hinted she was in a relationship on November 18, when she slammed Danielle Maltby for talking trash about her and trying to invalidate her feelings for Michael Allio on the "Off the Vine with Kaitlyn Bristowe" podcast.

Danielle and Kaitlyn had referred to Sierra as "what's her face" on the podcast and laughed about how Sierra and Michael had only dated for three days.

"For clarity, Im over Michael & have been. This is why I dont understand why Im a point of topic for them. Those who keep saying 'get over it'... Its comical bc Im in a relationship," Sierra tweeted last month.

"But damn near 40 & hating on a 27 yr old that also had your man? Good bye. My feelings are valid."

But Sierra seems happy after having her heart broken by Michael on Bachelor in Paradise's eighth season, which just wrapped on ABC late last month.

When Michael broke up with Sierra, he admitted that something was "missing" between them. But he mainly leaned on the trauma of his past as the reason why he wasn't ready to move forward and have a future with Sierra.

Michael told Sierra at the time he was still guarded and grieving the loss of his wife, Laura Ritter-Allio, to breast cancer in 2019. Sierra therefore self-eliminated from Bachelor in Paradise because she didn't feel a connection with anyone else, nor did she want to watch Michael date other women.

RELATED LINK: 'THE BACHELORETTE' COUPLES NOW: WHOM DID 'THE BACHELORETTE' STARS AND THEIR BACHELOR PICKS ULTIMATELY END UP WITH?! (PHOTOS)  

But when Danielle arrived in Paradise, Michael appeared relieved and overjoyed, and he quickly opened up to the blonde beauty. The pair continued to date during their time in Mexico, and they are still together now.

In fact, Michael said he is "in love" with Danielle, who is moving to Ohio soon to be closer to Michael and his young son James.

Because of the way Michael handled things on Bachelor in Paradise, Sierra repeatedly took jabs and threw shade at him on social media while the show was airing.

Sierra, for instance, questioned Michael and Danielle's "history" and called the start of their pre-Rose Ceremony relationship "convenient."

Sierra also said she felt "disrespected" by Michael and claimed to have "receipts" proving that the single father led her on, even after he dumped her on the beach.

According to Reality Steve spoiler blogger Steve Carbone, Sierra said at the November 4 reunion taping Michael had kissed her three times after breaking up with her. Sierra also reportedly said she wished Michael had been more straightforward with her about his feelings instead of trying to let her down gently and excusing his behavior.

"What I tried to do with Sierra was let her know the second I realized that it wasn't there -- at a time when she had the rose where she could make a decision. I would do that all over again," Michael told Us Weekly on its "Here for the Right Reasons" following Bachelor in Paradise's reunion show that aired on November 22.

RELATED LINK: 'THE BACHELOR' COUPLES NOW: WHO DID 'THE BACHELOR' STARS AND THEIR BACHELORETTE PICKS ACTUALLY END UP MARRYING? (PHOTOS)

He continued, "Where I really tripped up was not being able to explain myself in a way that she deserved, you know, letting her know more so that she just wasn't the right person for me."

"And I should have ended it really like that," he added. "And so, for that, I apologize and I apologized to her at the reunion for that."

Michael -- who faced some backlash for his actions -- also wished Sierra "the best," and concluded, "I know she'll find love. She's a great person and we're really just focused on ourselves now."

Danielle also recently apologized for publicly discussing Sierra and Michael's relationship when it wasn't her place to comment or judge.

RELATED LINK: 'THE BACHELOR' FRANCHISE COUPLES NOW: WHO IS STILL TOGETHER?? (PHOTOS)

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About The Author: Elizabeth Kwiatkowski

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