Lindsay Lohan reportedly found love during her stay at Cliffside Malibu. A former patient spilled new details about the actress' secret relationship, RadarOnline.com reported.

Lohan and an unidentified male patient began dating shortly after the actress entered the Southern California treatment center in mid-June, a source revealed.

"Prior to Lindsay's arrival, I was roommates with the guy who ended up dating her," the source said. "When she came, the first or second day, they ended up kissing and it was on from there."

Lohan and the 23-year-old male allegedly flaunted their relationship and that's when people in the clinic took notice.

"Everybody in rehab knew they were dating. It was pretty obvious," the insider added. "They got cocky with their relationship and people got uncomfortable with the situation, saying they couldn't do that stuff when people are trying to get well."

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When the two started to become "inappropriate," the male Lohan was reportedly dating got kicked out of the facility and was placed in an all-male treatment center. Even though the two were separated, the source claims that they are still dating together and attend AA meetings together.

"She still talks to him every day," the insider revealed. "The guy was nice to her, but it was fake. He would talk sh*t about her behind her back...And she's stringing him along, saying she wants to take him to New York."

Lohan left the rehab center on Wednesday, July 31, after completing her 90-day court-ordered treatment. She is currently filming a docu-series for OWN and will talk to Oprah Winfrey for her first on-air interview since her rehab stint when Oprah's Next Chapter airs on Aug. 18.