with Beyonce and Jay-Z
Jay-Z gave a concert in the Royal Albert Hall
and Gwyneth and (her man) Chris Martin
joined him on stage
here are the clips of them on stage its not the best quality
but you hear her sing
and then Jay-Z ask the audience for a "Happy Birthday"
here is Gwyneth
http://www.youtube.com/watch?v=u8mdL-kHYtE&eurl=
and Chris gets in action 2
http://www.youtube.com/watch?v=zRHGfwAlzmM&eurl=
here are some pictures of the afterparty
