Katherine McNamara is a Red Beauty at Teen Choice Awards 2014

Katherine McNamara brightens up the carpet while arriving at the 2014 Teen Choice Awards held at the Shrine Auditorium on Sunday (August 10) in Los Angeles.

The 18-year-old actress helped host a red carpet pre-show before the live telecast.

PHOTOS: Check out the latest pics of Katherine McNamara

“Tune in #kitkats for the #TeenChoiceAwards and the red carpet pre-show at http://www.teanchoiceawards.com ! Only 15 minutes to go! xox,” she tweeted.

Earlier in the week, Kat rocked all black at the Official Pre-Party held by Candie’s at The Gibson Showroom.

FYI: Kat is wearing a BCBGeneration shoes and dress.