John Lennon's hair up for auction

A lock of the late Beatles singer John Lennon's hair is up for auction in America starting at $12,000.

Has Beyoncé become an activist?

Beyoncé's latest song features political messages. Has the singer transformed from a crowd-pleasing entertainer to an outspoken activist?

Super Bowl performances: a detailed view

Coldplay and Beyoncé put on a colourful Super Bowl halftime show, while Bruno Mars brought the funk, and Lady Gaga sang the National Anthem.

Watch: Beyoncé, Coldplay's Super Bowl gig

Beyoncé, Coldplay and Bruno Mars rocked the crowd during the Super Bowl half-time show. Check out the performances...