Singers choose very different outfits
The singer, 27, walked the red carpet wearing a white floor-length Armani gown featuring cut-outs at the waist.
Ellie – who shared snaps from the event on Instagram – teamed her frock with subtle make-up and a loose wavy hairstyle.
She was joined in LA by Rihanna who flashed flashed both her underwear and sexy legs in a racy cream creation.
A relaxed up-do completed the 26-year-old brunette beauty’s look.
SEE PICTURES Ellie Goulding at the Les Miserables film premiere in London
SEE PICTURES Ellie Goulding squeezes into leather leggings for an appearance at Radio 1