The singer showcases a dark, mysterious and vampy look on the red carpet.
The "Black Widow" singer sparkles in a cleavage-baring gown.
From the front, the singer's dress looks pretty demure.
From the side, however...
The Lord of the Rings and The Hobbit star finds a unique way of incorporating denim into his outfit.
The crooner takes a page from 2015 Oscars men's fashion and goes for the blue.
Now that's a boutonniere!
It's a Spice Girls mini-reunion!
The singer and girlfriend of Robert Pattinson opts for a strappy style...
Hats off to the supermodel for bringing the fierceness!
Taylor Swift's BFF gives you the stare-down.
The supermodel shows skin in an unconventional way.
For her performance, the singer changed out of her red and black gown into something easier to move in...
All that glitters! The Grammy winner performs "Blank Space" for the famous crowd.
The British singer opts for a bridal look.
The original The Girl With the Dragon Tattoo star looks elegant in black lace.
The reality star takes a selfie on stage with the hosts.
The Grammy winner gives a glittery performance of "Blank Space."
The Queen of Pop took a tumble while performing her newest song, "Living for Love."
The two dance in the audience together!
Sheeran's performance inside the O2 Arena looks red hot!
The E! star snaps a selfie with hosts Ant and Dec.
The crooner performs his debut single "Lay Me Down."
He is here for your entertainment.
MORE PHOTOS: Stars at London Fashion Week