ABC/ Donna SvennevikSome of music's biggest names will be spotlighted Saturday night on a special edition of ABC's 20/20. 

Called Rock 'n Royalty: Billboard's All-Stars, the show will be anchored by Barbara Walters, and feature the best and most memorable moments from ABC interviews conducted throughout the years with a variety of pop superstars.

Among the highlights:

--Barbara Walters' interviews with Mariah Carey, Justin Timberlake, Justin Bieber, Lady Gaga and One Direction

--Cynthia McFadden's chats with Cher and Madonna

--Katie Couric's sit-down with Taylor Swift

--Amy Robach's one-on-one with Beyonce

The oldest of these interviews is with Justin Timberlake: that one dates back to 2002.  The most recent one is the Beyonce chat, which aired earlier this month.

In addition, the special will feature new interviews with Lady Antebellum, as well as with comedian Tracy Morgan, who's hosting this Sunday night's Billboard Music Awards.  The two-hour special airs Saturday night at 9 p.m. ET.

Copyright 2013 ABC News Radio

Anchorman: The Legend Continues is currently being filmed in New Orleans, and is tabbed for a December release.

The teaser, just over one minute long, features the movie's stars, Will Ferrell, Steve Carell, Paul Rudd and David Koechner on a lighted stage. In a similar vain to the previous teaser, the actors, all in character improvise a handful of one-liners.

Copyright 2013 ABC News Radio