christina aguilera. the two pitted against each other since 2008 by gaga's former bff, perez hilton. >> i'm so sorry for anything that anyone ever said to her because of my existence. >> i don'ten line now -- >> will you help me with this? >> lady gaga gives andy cohen an art pop keover, at extratv.com. >> learned a lot about gaga on that that interview. lady parts, a stripper. >>> you and i are big howard stern fans so the news about robin's health crisis was really upsetting to hear. >> i know, so sad. we have both been on the show. they definitely have something magical together. so much magic, in fact that howard actually considered hanging it up. >> robin givers a cancer confession nearly proud howard to tears. >> the thought of losing you or -- it was unbearable. >> now, this shocker, it almost brought an end to his radio career. robin only let the world in on how bad it became this week. >> it was sounding very dire. >> howard's wife, beth, revealing this to aj. >> he said to me that if anything happened to robin, he would not continue his show. the good news, robin's now cancer-free after her 15