Pretty Little Liars' has a secret, and each of the titular leads will take turns urging silence in season 6B.

'Pretty Little Liars' Season 6: Can Series Continue Indefinitely? Shay Mitchell Teases Future

Aria (Lucy Hale) has spent years perfecting her signature "Shhh," but soon each of the Liars will have a chance to master he hushing gesture. After a first look at the season 6B opening sequence, viewers were convinced that the duty would now fall to Spencer (Troian Bellisario). That, however, is not entirely true.

"That's actually all going to switch," Shay Mitchell explained at New York Comic Con. "Every week it's going to be a different girl."

'Pretty Little Liars' Season 6: Premiere Date Announced! EP Teases Two Major Twists

"All of us get to do the 'Shush," Sasha Pieterse (Alison) confirmed to Entertainment Weekly. This is the first time in five and a half seasons that Ali will have pride of place in the opening. It seems our four Liars have officially grown to five.

Set to air on Jan. 12, the midseason premiere will jump five years into the future. High school - and the trauma that came with it - will be fading into the distant past, but the girls will soon find that their 'A' days will have repercussions well into their adult lives. Click below to watch the first four minutes of "Of Late I Think of Rosewood."

Pretty Little Liars air Mondays at 8 p.m. ET on ABC Family.