Video: Christina Aguilera talks about Burlesque and with P!nk (On Air with Ryan Seacrest)

Christina Aguilera, Pink - Getty Images Pop music enthusiasts have known for a long time that things aren't really buddy/buddy between Christina Aguilera and Pink . Some might even call it a (gasp) feud. Yesterday when Christina appeared on the Ryan Seacrest morning radio show to talk all about her role in Burlesque and her performance at this weekend's American Music Awards, she  ended up chatting with Pink as she was exiting her interview and Pink was beginning hers. Feud? What feud? There [...]