Heidi Montag and Spencer Pratt: Pre-Wedding Workers

Fitting in a little work before their big weekend wedding, Heidi Montag and Spencer Pratt were spotted out at a Los Angeles studio on Thursday (April 23).

The "Hills" co-star lovers were there filming a green screen promo for the upcoming season of "I'm A Celebrity, Get Me Out Of Here".

As for the big wedding plans, Spencer's sister Stephanie recently dished a few details while talking with Us magazine.

"It's very traditional. They want to keep everything white. Heidi's dress is white," Stephanie tells.

Meanwhile, co-star Audrina Patridge said of the upcoming nuptials, "They've been together for so long, and they are two peas in a pod. I mean, they are Heidi and Spencer! I can't see either of them with anyone else. Heidi loves him."

Gossip Girls

Enjoy the pictures of Heidi Montag and Spencer Pratt filming their promo (April 23).