It's the 30th anniversary of the Brit Awards and Lady Gaga scooped up three Brits, winning every category she was nominated in.
Lily Allen opened the 30th Brit Awards with her song The Fear, and went on to win her first Brit for the best British female.
Elly from edgy electro pop duo La Roux missed out on a Brit Award, but she styled her hair for the event anyway...!
Cheryl Cole performed her single Fight for This Love wearing aviator-style sunglasses and a white mac.
Ellie Goulding looks pretty happy to have won the Critics' Choice award - she hasn't even released her first album yet.
Florence and the Machine performed with Dizzee Rascal, and here she's posing with X Factor winner Alexandra Burke.
Jonathan Ross was at the Brits to present an award, and Dizzee Rascal lent him one of his old outfits to go in...
Jay-Z and Alicia Keys performed their single Empire State of Mind, and Jay-Z won a Brit for best international male.
JLS picked up best single for their song Beat Again, AND best British breakthrough artist. They all wore matching grey suits and seemed very excited to be accepting a Brit.
Lady Gaga performed on the night, wearing another spectacular outfit with lace pieces covering most of her face, and a huge wig - a bit like Marge Simpson!
Liam Gallagher accepted Oasis' award for the best album over the past 30 years, but he ended up throwing the microphone into the audience.
Pixie Lott was nominated in the best British female category, but she lost out to Lily Allen.
Mel B and Geri Haliwell were there to pick up a special 30th anniversary award for the Spice Girls - the best performance at the Brit Awards for the past 30 years.
Ex-Take That pop star Robbie Williams won an outstanding contribution to music award - he's been in the music industry for nearly 20 years now!