The gang is headed to Vegas for Stassi's birthday and Frank is going too. This causes tension between the girls and the weekend doesn't turn out quite how Stassi imagined. When a surprise guest makes an appearance at Stassi's birthday dinner all hell breaks lose and shirts come flying off. The group is torn apart and it's Stassi vs everyone else.

Sources for this episode:

Sex Love and What Else Matters podcast with Kristen Doute

Vanderpump Rules, Season 1, Episode 4 on Peacock