The duo stopped talking to each other in 2005 but managed to patch things up a year and a half later when Hilton reached out to Richie for her birthday.

The 'Simple Life' stars worked at the fast food restaurant as part of the show in 2003. Their drinks, simply titled The Paris and The Nicole, reflect their "sweet, exciting, eclectic, colorful" personalities.

The celebutantes-turned-businesswomen are rebooting the show that provided a blueprint for the past 20 years of reality TV.

In launched a fun new drink collab with the iconic duo Paris Hilton and Nicole Richie. Sip into pop culture nostalgia with The Paris and The Nicole.

Calling all Y2K girlies out there, it's time to drop by Sonic with your hot pink convertible as they're about to take you back to the 2000s, where Paris Hilton and Nicole Richie ruled! Yup, these it girls walked so a new wave of social media influencers can run.