#BBCtrending: What Jay Z said to Solange
US musician Jay Z and his sister-in-law Solange Knowles are trending worldwide after a video was posted online apparently showing them having a fight in a lift.
Hundreds of thousands are taking part in a global conversation online about #WhatJayZSaidToSolange after the footage was published to the US celebrity website TMZ.
The incident happened at The Standard Hotel in New York after the Met Gala party last week.
Anne-Marie Tomchak of #BBCtrending reports.
More on this story from BBC Newsbeat.