Showing off their love -- on and off screen! Some Hollywood A-list couples don't mind taking their work home. Here's to Beyonce and Jay Z, John Mayer and Katy, and other celebrity couples who've appeared in each other's music videos.
Getting the party started! Madonna asked her boyfriend Jesus Luz to be apart of her 2009 video "Celebration." Her young beau appeared as a DJ in the dance video, but the couple eventually called it quits one year later.