United Kingdom, Jan. 24 -- Lisa Rinna has blasted Colton Underwood as a "stalker".

The 62-year-old reality TV star and the 33-year-old former Bachelor lead have been at odds during their time on The Traitors and Lisa took to social media to hit out at Colton over his past alleged harassment of ex-girlfriend Cassie Randolph.

She wrote on Threads: "Let's talk about you being a stalker.."

After their split, Cassie filed court documents accusing Colton of stalking her, harassing her and planting a tracking device in her car.

Cassie later dropped the restraining order and Colton admitted that he had made mistakes during an interview on Good Morning America in April 2021, where he came out as gay, but did not directly address the allegation...