Matt, 29, and Rachael, 24, were spotted hanging out together in Santa Monica, CA, on Saturday.
TMZ obtained photos of the pair at a bar called JuneShine with friends and reported Matt and Rachael were seen talking and walking around the city together.
Rachael and Matt reportedly showed no PDA but definitely left the bar together and headed in the same direction.
Matt appeared to be hiding from fans and the press by sporting a blue hoodie, a baseball cap and black sunglasses while Rachael dressed casually in a black oversized sweatshirt and sunglasses on her head.
The hangout session came about a week after Us Weekly reported Matt and Rachael's relationship ended for good after Matt was accused of two-timing Rachael with a woman named Grace from Florida.
"Rachael and Matt are on non-speaking terms after she learned about him lying about being in communication with another girl," a source told Us last week.
"He was in Atlanta [the] weekend [of April 17], which is less than an hour away from where Rachael resides, and he has not reached out to her to make amends or apologize. As far as she's concerned, what they had is in the past now."
Following their March appearance onThe Bachelor: After the Final Rose, Matt stayed in touch with Rachael and allegedly told her that he still loved her and wanted to date her again, according to Reality Steve spoiler blogger Steve Carbone.
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Matt and Rachael therefore reunited in New York City on April 6. But just two days beforehand, Matt allegedly spent time in Miami, FL, and reached out to Grace, a woman he had dated before and after being named The Bachelor star last year.
Carbone claimed in a recent Instagram Live session Matt had been "trying to hook up" with Grace in Miami and treated her like "a booty call."
"Rachael is very emotional right now because she was very hopeful that things were going to work out," an insider told Us earlier this month. "She's still trying to process this."
The insider added that Rachael thought she and Matt were on the track to getting back together but once she found out about Grace, she felt "manipulated" by her ex-boyfriend.
Although Grace and Matt did not actually meet up in Miami, Grace reportedly confronted Matt on the phone once she heard about Matt and Rachael's subsequent reunion in New York.
"Matt was flat out lying to [Grace's] face... He called Grace back and said, 'I would never try and get with you Sunday night if that were the case,'" Carbone claimed.
A person close to Rachael reportedly made Rachael aware of Matt's alleged betrayal and then Rachael also asked Matt to tell her the truth, which Carbone said resulted in Matt insisting Grace didn't mean anything to him and he just needed another body to fill out a table at a Miami club one evening.
"Not true, because when Grace told him, 'I'm not going to see you,' on [April 4 and] 'I don't want to go to a party,' [Matt] said, 'Well, maybe we can have time to ourselves,'" Carbone recalled.
"So it was clear Matt wanted to be with her on Sunday night, but she never did."
The spoiler blogger added, "I just want to applaud Matt on the effort he's putting into playing two women at the same time."
Despite Matt's denial about Grace, "Rachael essentially walked out on Matt and [said], 'We're done,'" according to Carbone.
"Matt got caught with his pants down and she left and called her [The Bachelor] girls and hung out with them... She left Matt's apartment in a huff very upset and crying," Carbone said.
Rachael also reportedly contacted Grace directly to compare stories and the two women determined Matt had been playing them both.
Grace later confirmed Carbone's reporting about her interactions with Matt when she participated in an Instagram Live session with the spoiler blogger, and the Us insider claimed Grace totally "dropped [Matt]" after her findings.
According to Carbone, prior reports Matt was hanging out with Rachael in New York as a supportive friend amid the fallout of her racism controversy "couldn't be further from the truth."
Matt allegedly FaceTimed with Rachael every day following After the Final Rose and had every intention of reconciling with her until she discovered his alleged attempt to hook up with Grace.
"[Matt] has been up Rachael's ass for three weeks," Carbone argued on Instagram, adding, "[He's] been telling Rachael he wants to be back together with her and he wants to have a relationship with her."
Carbone insisted, "The narrative him and his camp are spinning in the media right now is gaslighting, it's manipulative and it's bullsh-t... He's trying to cover his ass."
Rachael was left feeling "very hurt" after the scandal, Us reported, but she's "doing good" now.
"She's working on her mental health and getting into a much better headspace," the Us source said. "She's focusing on her own antiracism work and working on herself right now. She's not looking to jump into the dating field any time soon."
When Grace shared her side of the story on Instagram Live with Carbone, she admitted Matt trying to spend time with her right before reuniting with Rachael "didn't sit right" with her.
Grace said Rachael deserved to be made aware of Matt's behavior and she was the real "victim" in the situation.
"I'm completely fine... [but] when guys are two-timing you, it's just not okay," Grace noted.
"I hope [Rachael] finds someone better... At a certain point when you start changing your character and lying and gaslighting and doing all of these things to protect your image and your fame, that's sort of when I have an issue. All power to you if you go on the show for fame, but in Matt's case, it got to a point where it was a little too much."
Matt previously said he had ended his romance with Rachael to allow her some space and an opportunity to educate herself on racism in America and "put in the work" to become a better person.
Matt said during an appearance on The Bill Simmons Podcast last month, "You hear people harping on forgiveness and I forgave her when she told me [about her mistakes], but that doesn't mean I'm not disappointed and I don't want her to do better."
Us recently reported Matt believes Rachael isn't a racist but he thought it "wasn't a good look for him to stay with her."
Matt had suggested in multiple interviews, however, he wasn't necessarily permanently closing the door on his relationship with Rachael, who had called Matt "the love of my life" and defended The Bachelor star against bullying and harassment following the announcement of their split.