United Kingdom, May 21 -- David Beckham says receiving a knighthood would be an "unbelievable honour".

The 50-year-old star - who celebrated the milestone birthday on May 2nd - has been tipped to be made Sir David Beckham for years, but the title has eluded him thus far.

The former England football skipper has been a UNICEF ambassador for 20 years, and some have questioned why he is yet to receive a knighthood for his services to football and charity work.

He told Time Magazine: "I've heard people in the media talk about it's something that I really, really want, and of course, it would be an unbelievable honour.

"If it happens at some point, amazing. If it doesn't, there's nothing I can do about it."

During his playing days, David w...