British songbird Adele was scheduled to release her highly anticipated theme song for the newest James Bond film, "Skyfall," on Friday, but a short excerpt of the track leaked Monday, giving fans a taste of what to expect.
So will Adele's latest project join the ranks of the most memorable Bond theme songs ever? Click through the gallery to find out which other artists created both the most unforgettable and most controversial "Bond" songs of all time!
Make sure to tune in to HLN on Friday for a special Bond edition of Showbiz Tonight. We'll be celebrating the 50th anniversary of the Bond franchise in true James Bond style.