Lady Gaga performed a tribute to 'The Sound Of Music'
The third single from 1989
She co-wrote California Gurls, Teenage Dream and Roar
She'll hit the stage at this year's event
This year's festival is bigger than ever
This year's line-up is huge
'Gettin Jiggy Wit It' was released 18 years ago
The full video is released tomorrow (13th February)
Watch our chats with Charli XCX, James Bay, Jess Glynne and more
Celebrities who prove that you really should think before you ink!
The perfect way to end the 2014 festival season
If you're 16-24 you could join Rudimental and Nile Rodgers remixing LE FREAK.
You can pre-order the girls’ new chart smash NOW!
All the action from The O2 Arena ceremony with Ellie Goulding, One Direction, Rudimental, Lorde, Katy Per…
All the glitz and the glamour the red carpet of the 2014 BRIT Awards
A look back at the most shocking moments in The BRIT Awards' history