The Keeping Up With The Kardashians star filmed scenes with David Fumero (Cristian Vega) and Kassie DePaiva (Blair Cramer) for an upcoming episode of the ABC soap opera yesterday.
"My acting debut... what an experience. One I will never forget. A very interesting day to say the least, (sic)" she wrote on her Twitter account.
"I shot w/Christian&Blair!I made sure2 stir up lots of drama!"
A network press release teased that the reality star "will make a dramatic entrance with her handsome co-star and have a lot of explaining to do".
Kardashian added: "I grew up watching One Life To Live. I hear I get into some trouble, and I am looking forward to it. This may be my acting debut but the Kardashians know a thing or two about drama."
Her soap debut will be featured in an episode of her new reality show Kourtney And Kim Take York! which premieres on E! in January. Her One Life To Live episode airs in March 2011.