Exclusive DetailsSofia Richie Had the Most Insane 21st Birthday Bash Ever — See All the Pics!

You better believe Sofia Richie had the biggest birthday blowout she’s ever had for her 21st in Las Vegas. The model jetted off to Sin City with all her friends to enjoy a full day of partying and pleasure at the Wynn on August 24 — and Life & Style now brings you exclusive details on what went down during their (less than) 24 hours of playtime. Scroll through the gallery to see photos of Sofia’s birthday bash and get exclusive details on the festivities.

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