When you walk down a high profile red carpet like the one for Eclipse arm-in-arm—you are telling the world: “We’re a couple.”

PHOTOS: Kellan Lutz & AnnaLynne Cozy On The Red Carpet

And that’s exactly what Twilight’s hunky Kellan Lutz and 90210’s babe AnnaLynne McCord did Thursday night at the premiere of Twilight Saga: Eclipse in Downtown LA.

PHOTOS: AnnaLynne Hits The Beach

She was donning a corseted nude-colored gown and he wore a dapper tux—making a very glamorous couple.

PHOTOS: Kellan Lutz Smokin’ Hot

If you looked at his label, it probably says Calvin Klein, since he’s an underwear model for the famous fashion line.

PHOTOS: AnnaLynne Plays Volleyball

The couple hasn’t publicly acknowledged their relationship, but they’ve been spotted frolicking on beaches and on romantic dinner dates.

PHOTOS: Kellan Lutz And AnnaLynne McCord In St. Maarten

This is the first time they’ve cuddled up so closely to each other on the red carpet.