Secrets! Murder! Text messages! They'll all be returning to ABC Family, as the network has renewed Pretty Little Liars for a fourth season. The new season will consist of 24 episodes, scheduled to premiere in the summer of 2013.
Pretty Little Liars is currently in its Season 3 mid-season break, with a a special Halloween episode, "This is a Dark Ride," scheduled to air on October 23. And to make things extra scary in the special episode, former American Idol screamer Adam Lambert will perform two songs from his new album. The second half of Season 3 will begin in January.