United Kingdom, Aug. 15 -- Sophie Turner was once accused by a "famous actress" of flirting with her fiance.

The 29-year-old star revealed that the incident took place at a San Diego Comic-Con afterparty more than a decade ago, when the unnamed actress mistakenly thought that Sophie was flirting with her partner.

During an appearance on Late Night with Seth Meyers, Sophie explained: "That night was actually quite crazy for me, it went really south really quick.

"I really can't name names, or I'll get in a lot of trouble."

Sophie was with her childhood best friend when the drama unfolded. The actress explained that her friend wanted to "say hi" to the actor, while she just gave him a wave.

Sophie continued: "That was it.

"Later on, I...