The British-born presenter looked positively radiant in a dazzling gold gown, which matched her bronzed skin and sunkissed locks perfectly.
Cat's metallic frock was designed by Monique Lhuillier and featured an elegant tulle train and shimmering sequin embellishment.
The style maven completed her golden colour palette with a matching clutch and delicate bangle, adding a pop of brightness with a sunset-orange lippy.
The blonde bombshell looked every inch the superstar at the California-based event - keep up the good work, Cat!
What do you think of Cat's dress? Let us know by commenting below as the best comment across the site each week wins £50!
Read more: Cat Deeley hits the town for Cilla Black's 70th birthday: pictures!
Read more: Cat Deeley reveals super toned tummy in striped cropped top