EXCLUSIVE: It's a Sibling Showdown on 'Austin & Ally' When a 'Modern Family' Star Shows Up!

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We're seeing double on Austin & Ally!

On this Sunday's all-new episode of the Disney Channel comedy, Modern Family star Rico Rodriguez is stopping by the Music Factory to pay his real-life sister, Raini Rodriguez -- aka Austin & Ally's Trish -- a special visit.

To make matters even better, Rico is also gifting fans with his best Austin Moon (Ross Lynch) impression -- complete with a crazy platinum blond wig!

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Disney Channel

ETonline has your exclusive sneak peek of Rodriguez's hilarious character Benny, a professional Austin Moon impersonator, as he tries to pay tribute to the series' hit song, "Better Than This."

Benny even brought his own version of Austin's signature umbrella!

"When you got banned from music, I was the number one Austin Moon tribute act in the world," Rodriguez spills with a smile in our first look video above. "But when you made a comeback and boom! I could barely get a penny in my guitar case."

Disney Channel

The Austin & Ally writers even snuck in a little inside joke for fans of the Rodriguez siblings.

After Austin mentions that he can see a little bit of himself in Benny, Trish quips, "Really? Where? Because he looks more like me than you!"

Catch an all-new episode of Austin & Ally this Sunday at 8 p.m. ET/PT on Disney Channel.