Skylar Astin on Glee, The RHONY Premiere and More on TV Tonight

Two wedding-themed episodes, two reality show premieres and a slew of special guest stars on Glee? Tonight's TV is can't miss! Here's what's on:

OK! Exclusive: Get a First Look at Tonight's The Little Couple

Pretty Little Liars. 8pm on ABC Family. The girls participate in a bridal fashion show for charity to get closer to Ali's mom, who clearly is hiding lots of secrets. Don't the PLLs look gorgeous in wedding dresses?

Glee. 8pm on Fox. The New Directions head to LA for Nationals. Pitch Perfect's Skylar Astin and Sister Sister's Jackee Harry guest-star!

Watch: Brandi Glanville Speaks Out About Eddie and Leann Rimes' Reality Show

The Real Housewives of New York City. 9pm on Bravo. Heather throws herself a bday party and introduces the gals to her new friend slash the season's newest castmate, Kristen Taekman.

Brooklyn Nine-Nine. 9:30pm on Fox. Jake accepts the role of Best Man at Charles' wedding, but he gets more than he bargained for when he's asked to help taste cakes and pick out flowers.

Poll: Whose Interview Was More Awkward, Juan Pablo's or Justin Bieber's?

Chrisley Knows Best. 10pm on USA. This new reality series centers around a rich, Southern Patriarch, who sets high personal and professional goals on himself and his family.

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What will you be watching tonight? Tweet us @OKMagazine.