Heidi Montag and Spencer Pratt betrayed their fans when they staged a fake wedding in Cabo San Lucas, Mexico, in November. Now they’re doing it again — but this time, they’re filming the new phony ceremony for the series finale of The Hills. “It’s all set up by the producers of MTV to get people to watch,” says a source. “It’s just a plot line. They’re not really getting married, of course.” The over-the-top wedding will take place on April 25 at Westminster Presbyterian Church in Pasadena, Calif., on a closed set with the entire Hills cast in attendance. Though Heidi and Spencer’s nemesis Lauren Conrad will not be in the wedding, In Touch can confirm exclusively that she will make an appearance. “They want Lauren to do something dramatic,” the source says.

For more check out the new In Touch, on sale now.

Have a tip? Send it to us! Email In Touch at contact@intouchweekly.com.