Country superstar Carrie Underwood (1983)
Actress Emily Osment (1992)
Actress Olivia Wilde (1984)
Actress Bree Turner (1977)
Singer Robin Thicke (1977)
Czech supermodel Eva Herzigova (1973)
NASCAR driver Matt Kenseth (1972)
Rapper Timbaland (1971)
Actor Jon Hamm (1971)
Actor Dave Sheridan (1969)
Singer Edie Brickell (1966)
Actor Jasmine Guy (1964)
Singer Neneh Cherry (1963)
Pearl Jam bassist Jeff Ament (1963)
Actress Sharon Stone (1958)
Actor Robert Llewellyn (1956)
Boston guitarist Tom Scholz (1947)
Actor Joe Viterelli (1941; d. 2004)
Although the band have performed live - appearing at The Oscars, The Golden Globes and on 'The Tonight Show Starring Jimmy Fallon' - and debuted two new tracks, 'Ordinary Love' and 'Invisible', they are still trying to perfect songs for their new album.
A source told Billboard magazine: "It seems to be taking longer for them to finish an album as they get older, but the great thing about U2 is that the whole of a record is always better than the sum of its parts.
"That magic that the band always seems to capture ... they have yet to capture i...