Sydney Sweeney is living it up in Las Vegas ... The outing comes days after the star partied with friends and took pictures with Paris Hilton, Lance Bass and Luke Combs while attending Stagecoach ...

Women's Satin Underbust Corset in Beige - and if you're looking to channel Sydney Sweeney's Stagecoach look, you absolutely ...

On Wednesday, she took to her Instagram Story to share photos and videos of her partying with her sister Nicky Hilton on a rooftop ... having fun with pal Sydney Sweeney and aunt Kyle Richards.

Amid speculation over her relationship status, Sydney Sweeney was seen partying in Vegas. Here's a look back at her romance ...