Heidi Montag is All Strung Out

The Hills stars Heidi Montag and Spencer Pratt hang by stunt wires as they film a green screen promo for the upcoming season of I’m A Celebrity, Get Me Out Of Here in Los Angeles on Thursday.

Heidi, 22, tweeted, “Just finished filming NBC promos! We were flying!!!! Crazy.”

She and Spencer, 25, will reportedly get married at Westminster Presbyterian Church in Pasadena, Calif. Wolfgang Puck‘s restaurant, Cut, is set to be the location of the rehearsal dinner.

The Hills executive producer, Adam DiVello, has confirmed they would be filming the wedding this weekend, saying, “It’s a big, gigantic event that takes the two of them to pull off!”

10+ pictures inside of Heidi Montag and Spencer Pratt all strung out…