New York, Oct 17 : Actress Lindsay Lohan’s new boyfriend Riley Gales is already engaged to an Utah resident Bree Tierney.

Tierney’s mother has revealed that the 25-year-old man is already engaged to her daughter.

She also said that the news of Giles dating Lindsay has left her daughter’s heartbroken.

"Riley just stopped calling Bree and never told her about Lindsay. She found out by seeing photos. It destroyed her," The New York Daily News quoted Tierney’s mum, as telling Us weekly.

Lohan confirmed reports she is dating the California-based X-Games star earlier this month, after leaving the Cirque Clinic rehab facility in Utah. (ANI)