'Pump Rules': Stassi Schroeder Explains Why Boyfriend Beau Clark Is 'the One' (Exclusive)

The 'Vanderpump Rules' star and her beau, Beau, were all smiles as they filled ET in on what makes their relationship work at the 3rd Annual Vanderpump Dog Foundation Gala in Los Angeles. 'Vanderpump Rules' returns to Bravo on Dec. 3.