Bynes posted a pic of the music mogul on her Twitter account this week and wrote "ugly face," tweeting directly at Jay-Z. Then she quickly removed the photo moments after posting, without an explanation or apology.
The rapper did not respond to the brief tweet. He was spending time with wife Beyoncé and daughter Blue Ivy on Thursday in Venice Beach.
This isn't the first time Bynes has overexpressed herself on Twitter. A few months after her DUI arrest in April, she aimed a plea at President Obama, writing, "Hey @Barack Obama ... I don't drink. Please fire the cop who arrested me. I also don't hit and run. The end."
Actress Amanda Bynes has a beef with Jay-Z, but no one is sure why.