In an Apple Music interview with Zane Lowe, Rose opened up about the personal inspiration behind her album Rosie, revealing that many of the songs stemmed from her own dating experiences and subsequent heartbreak.
Rose shared that delving into these emotions was natural because she often talked about her ex with those close to her.
In a surprising moment during the interview, she recounted an argument she had with her ex during one of Blackpink's tours.
She shared that this was like a milestone in both of their lives and she never expected to experience the worst time of her life.
"I remember having the biggest fight with my ex. Despite the emotional turmoil," she said.
Fans were shocked by her confession, as the dating life of a public figure remains a sensitive topic in the K-pop industry.
Now fans are wondering who this ex could be and there are quite a few people taking to social media to make their guesses about Rose's ex.