How Well Do You Know Your Co-Star

We tested the on-screen besties with our trivia challenge.

We tested the 'Every Year After' stars with our trivia challenge.

We put the co-stars up to our ultimate friendship trivia challenge.

Millicent Simmonds, Lana Condor, Avantika, Iris Apatow, and Maddie Ziegler's bond was forged through ballet and fight training.

They may make us sob in 'Reminders of Him,' but the stars were all giggles while playing our trivia game.

The 'People We Meet on Vacation' stars played our trivia game—and it turns out they're just as close as Poppy and Alex.

PPG played our trivia game and proved they know nearly everything about each other.

We put the 'I Know What You Did Last Summer' co-stars and longtime friends up to our trivia challenge.

Ariana Greenblatt, Rebecca Ablack, and Ella Rubin joined us for a game of, 'How Well Do You Know Your Co-Star?'

We tested the rom-com on everything from their go-to karaoke songs to their hidden talents.

The stars of the Netflix romance series play 'How Well Do You Know Your Co-Star?'

Alyah Chanelle Scott, Pauline Chalamet, Gracie Lawrence, and Mia Rodgers play 'How Well Do You Know Your Co-Star?'

Nothing gets you ready for the spotlight like Shania Twain.

Watch the fan-favorite Bravolebrities play a game of 'How Well Do You Know Your Co-Star?'

It's not cheating at trivia, but JLC is also an expert at that...

Watch the 'Hit Man' stars play 'How Well Do You Know Your Co-Star?'

Watch the longtime pals play 'How Well Do You Know Your Co-Star?'

Pick who chose which crush: Leonardo DiCaprio or Jessica Rabbit?