'Twilight' costars Kristen Stewart and Robert Pattinson dated for four years. Here's a look back at their relationship timeline.

Stewart and Pattinson’s recent reunion comes 10 years after the costars ended their off-screen romance, which spanned all five of the hit movies but was kept largely private by the actors.

Kristen Stewart recalled having to calm Robert Pattinson down while they were filming 'Twilight.' But her compliments weren't often appreciated.

Kristen Stewart reflects on filming 'Twilight' with her co-star, Robert Pattinson, and how they were on the same page.

'Twilight' stars Robert Pattinson and Kristen Stewart may have been nervous around each other at first, but their chemistry was intense.

Robert Pattinson gets candid about the very first time he met his 'Twilight' co-star, Kristen Stewart. What was his first impression?

Robert Pattinson once quipped about the only behavior his 'Twilight' co-star Kristen Stewart had on set that he saw as diva-like.

Kristen Stewart once opened up about the instant connection she felt with Robert Pattinson, both on and off the Twilight set. While the franchise launched them to super-stardom, it was their ...

Kristen Stewart and Robert Pattinson kept their romance quiet while filming the "Twilight" movies, but Stewart has opened up more in recent years.

Robert Pattinson and Kristen Stewart fell in love while making the 'Twilight' movies. But they were told not to enter into a relationship.

Kristen Stewart crashed ex-boyfriend Robert Pattinson's 37th birthday party in May, per "Twilight" film director Catherine Hardwicke.