In these pictures from the 2012 BRIT Awards, check out stars like Adele, Rihanna plus many more as they pose for red carpet pictures before the award show! The Brit Awards, which are being held today, Feb. 21 at London's O2 Arena, are one of music's biggest nights in the U.K., and pop stars were dressed in their best for the occasion.

To no real shock, Adele opted for a flattering black dress, while Rihanna got sexy in a low-cut, earth-hued halter dress with sparkles. Coldplay donned some 'Mylo Xyloto'-themed casual attire, while Jessie J looked va-va-voom in red and Kylie Minogue looked beautiful in blue. Lana Del Rey and Florence Welch chose to go with flowing gowns, while the guys from One Direction kept it consistent in dapper gray suits.

Check out pictures of the aforementioned stars posing for pictures on the red carpet, as well as photos of Christina Perri, Victoria Justice, Foster the People, Ed Sheeran, Spice Girls member Emma Bunton, Nicole Scherzinger, and Cher Lloyd. Who gets your vote for best and worst dressed? Leave us a comment below!