Pretty Little Liars

Things are looking very pretty for Pretty Little Liars.

The ABC Family series, starring Lucy Hale (Privileged) and Ashley Benson (Eastwick), has been picked up for an additional 12 episodes, the network announced Monday.

Pretty Little Liars' Lucy Hale: Dark secrets can ruin lives

"Pretty Little Liars is a break-out hit for the network," Kate Juergens, executive vice president of original programming & development for ABC Family, said in a statement. "We're thrilled that our Millennial viewers have responded so strongly to the show."

Add Pretty Little Liars to your TVGuide.com DVR

After only three episodes, the series is Tuesday's No. 1 cable program for teen females. Liars, from executive producers Marlene King (If These Walls Could Talk), Oliver Goldstick (Ugly Betty) and Leslie Morgenstein (The Vampire Diaries), delivered 2.7 million viewers in its most recent outing.