Katharine McPhee: 'True Blood' Season 6 Premiere!

Katharine McPhee keeps it classy white while attending the premiere of the sixth season of True Blood held at ArcLight Cinemas Cinerama Dome on Tuesday (June 11) in Hollywood.

The 29-year-old actress was joined on the red carpet by Skylar Astin and Brandon Routh, who posed with his wife Courtney Ford.

PHOTOS: Check out the latest pics of Katharine McPhee

Last week, Katharine was kept it fierce with ripped jeans while exiting Bristol Farms Market in West Hollywood.

FYI: Skylar is wearing a Z Zegna suit.

15+ pictures inside of Katharine McPhee walking the red carpet during the True Blood Season 6 premiere…