Fans are still reeling from the deaths of Carrie Fisher and Debbie Reynolds over the last week. Now, as the the mother and daughter icons are being prepared for a shared memorial in a couple of days, the first trailer has just been released for HBO’s documentary about them titled: Bright Lights: Starring Carrie Fisher and Debbie Reynolds.

The documentary, which was directed by Fisher Stevens followed Fisher and Reynolds around in 2014-15, capturing their unique relationship. HBO has set the premier date of the documentary for January, 7th.

Here’s the trailer for the documentary:

Here’s a clip of a panel that both Fisher and Reynolds (via phone) participated in to help promote the film at the NY Film Festival in October.