Even though Lauren Conrad and Stephanie Pratt didn't get off on the best foot during their initial "Hills" interaction (translation: the SoCal girls had an unforgettable, fiery confrontation in the club over Steph's big bro Spencer Pratt), the blond duo has moved past that explosive incident and managed to forge quite the close friendship. In fact, the former MTV stars just reunited for a very cute cause, and the "Made in Chelsea" castie shared a grinning snapshot from the occasion. And no, Doug Reinhardt wasn't in attendance...

"Can't wait to be an auntieeee!" S captioned the Instagram pic above of the gal pals at Hannah Skvarla's baby shower. Of course, LC and Hannah work very closely together: The pair founded the online store Little Market to help artisans around the world sell their unique products.

It warms our hearts to see that the ladies have come such a long way since those tension-filled classes at FIDM and that awkward People's Revolution work experience, but for old time's sake, relive that fateful first meeting at Opera nightclub: