Britney Spears, Neil Patrick Harris, Ricky Martin: ‘Glee’ Guest Stars We’ve ‘Gleeked Out’ Over (GALLERY)

There have been so many amazing guest stars on Glee, that it’s hard to narrow it down to just a few select favorites. But in our Celebuzz gallery, we’ve selected the most unforgettable guest Gleek-sters from past seasons of the show. Whether it’s Britney Spears dancing up a storm or a torrid romance involving the unexpectedly...Read more»