Pop star Nick Jonas surprised fans by turning up at a party with a drinks delivery and performing for them.
Janelle Monae, Kiesza, Nile Rodgers and former Red Hot Chili Peppers star John Frusciante have been confirmed as guests on Duran Duran's new album.
Taylor Swift and Joe Walsh surprised the crowd at a Kenny Chesney concert in Nashville, Tennessee by appearing onstage for impromptu duets.
Ed Sheeran is perfection.
Big name celebrities showed up for his first night hosting 'The Late Late Show' on Monday night.
Russell Crowe shocked the audience of a U.K. TV show by climbing on top of British actress Elizabeth Hurley to give her a kiss.
Pharrell Williams addressed students at the United Nations headquarters to discuss the importance of tackling climate change on International Day of Happiness this week (beg16Mar15).
Under-fire British TV host Jeremy Clarkson has branded BBC bosses "f**king b**tards" in a foul-mouthed rant following his suspension as host of Top Gear.
Bill Murray has recruited famous friends George Clooney and Miley Cyrus for a planned star-studded Christmas TV special.
The Things They Say:
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