She sang for an audience of billions at both Olympic ceremonies, has written hits for Rihanna, Beyoncé and Professor Green, and has outsold Adele. Not a bad year for a medical student from Glasgow.

When Ashley Walters and Alesha Dixon started out on London’s garage scene a decade ago, few would have predicted their rise to TV stardom, or that they would have remained solid friends. They talk to Craig McLean about their troubled pasts and what it takes to stay in the spotlight

He’s the renegade street artist who helped Obama become president. But having just dodged jail in a million-dollar copyright battle, is Shepard Fairey finally going straight? No chance, says Craig McLean

Former It Girl model Agyness Deyn talks to Craig McClean about wedded bliss, stripping and Scientology

While Trainspotting catapulted Ewan McGregor to the high road of Hollywood, his co-star and fellow Scot Kevin McKidd took a more leisurely route, eventually becoming a dashing doctor in Grey’s Anatomy and starring in Pixar’s new spectacularly Scottish animation 

Following his surprise Best Actor award on Sunday, James Corden tells Craig McLean about turning his life around to steal the show in New York. He’s come a long way since Smithy

You may not have her album on your iPod or be able to spot her on the street, but past-it pop star Natasha Bedingfield is only one behind Florence Welch on the rich list... Yes, really. By Craig McLean

After the furore over Jessie J's sexuality last month, Beth Ditto, the trailblazing rocker and gay rights advocate, speaks out in support of her fellow pop stars. By Craig McLean

The star coach, will.i.am, is using his fame and £46m fortune to change young lives. Craig McLean met him as he gave an inspiring lecture at the Royal Geographic Society

The star of Sunday night’s most addictive drama, talks to Craig McLean about playing a Muslim, living between LA and London and why he couldn’t say no to Homeland