Surveillance video has surfaced of Solange Knowles, a singer who's famous for being Beyoncé Knowles' sister, attacking Jay Z in a hotel elevator last week.
The altercation went down at a Met Gala after-party last week in New York.
Pearl Jam was joined on stage during their encore Sunday night in Philadelphia by Jay-Z for a performance of his hit "99 Problems." It happened at the Made In America festival, which was curated by Jay-Z.
Former Fall Out Boy frontman Patrick Stump has been working on his solo album for a release in February, but he took time to have some fun and post it on YouTube. The singer recorded himself covering a capella versions of "Record of the Year" nominees at this year's Grammy Awards.