STAGE TUBE: Sneak Peek - Billy Ray Cyrus Guest Stars on 90210

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On the upcoming episode of the CW's 90210, Jersey Shore's Vinny Guadagnino and Singer Billy Ray Cyrus guest star. The gang heads to Las Vegas, where Naomi meets Austin's (guest star Justin Deeley) dad, and country superstar Judd Ridge (guest star Billy Ray Cyrus). The guys run into a celebrity (guest star Vinny Guadagnino) at the pool, where Liam gets invited to play in a celebrity poker tournament. Teddy and Shane (guest star Ryan Rottman) decide to tie the knot, while Dixon and Adrianna get closer. Meanwhile, Navid sees an opportunity to take his Uncle Amal (guest star Anthony Azizi) down. Shenae Grimes, Jessica Stroup and Gillian Zinser also star. Stuart Gillard directed the episode written by Scott Weinger.

The fourth season of "90210" follows the group from West Beverly as they navigate life after high school. Their journey into adulthood will find them heading in different directions while trying to keep the same closeness that worked so well for them in high school.

This tight-knit circle of friends will meet new people, resulting in friendships, relationships and loyalties being tested. Some will attend college, while others will start their careers.

It's a new and different time for them, as the stakes are much higher and there is a lot more to lose. Coming from a world of glamour and privilege, with endless possibilities in front of them, anything can happen. All in all, it's just another day in the world's most famous zip code.

90210 airs Tuesdays at 8:00/et on The CW network.

To view a clip from the upcoming episode, click below!