While the world now knows Heidi and Spencer have, for better or worse, become man and wife, there's still plenty of drama leading up to their nuptials -- like that tricky issue of inviting your former BFF who hates your fiance to the wedding.
In this exclusive clip from Monday's The Hills, Heidi drops off a wedding invite to Lauren, telling her, "I'd love to have you there." LC's reaction? A loooong uncomfortable pause before she responded, "It's kind of awkward but I don't fully get why you want me there." Watch to see Heidi's surprising answer.