Chica’s iconic cupcake is now replaced by two maracas, and instead of her bib reading "Let's Eat!", it says "Let's Rock!!!" to show she is a Rockstar animatronic. Her head is similar to Withered Chica in FNAF 2, being split in half at the beak. She has blue cheeks and knee caps and has pinkish-magenta eyes. Chica now has blue eyelids. She has a similar body type as the FNAF 1 Chica, but a much cleaner and polished version.
Custom Night
She stands outside your office waiting for her chance to jumpscare you (she can approach from either side.) Closing the doors will not cause her to leave. To make her leave, double-click the "wet floor" sign to place it in front of the door that she is standing at. This will discourage her from entering (she will be afraid of slipping), and make her go away. You can also cam-stall her from where she is (either side) to avoid her attack, changing the cam will trigger her jumpscare.
Quotes
The following information contains spoilers. To view them, click the [show] tag.
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That's right! An' don't you come back now, ya hear?
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That'll teach ya fer tryin' ta trick this ol' bird!
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“
Thought you could fool me with that sign, but I was too smart for ya!
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I may not like wet floors, but the smell of fresh meat is just too enticing! Ha ha!
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“
Whoops! Looks like you're the one that slipped up this time!
”
Trivia
Rockstar Chica is the only variant to have maracas.
She and Glamrock Chica are the only Chicas to hold an instrument.
In addition, her Voices.com page describes her character having a country swang as she's described as "loud and obnoxious, someone who would probably grate on your nerves in a conversation."
Rockstar Chica may have basiphobia, which is the fear of falling.
If the Wet Floor Sign is on one side and Rockstar Chica is inhibiting the opposite hall, she can be effectively "Cam-stalled" by keeping the Camera feed on her, while the Wet Floor Sign will prevent her from moving to the opposing hall.
Gallery
Rockstar Chica with the rest of the Rockstars on the menu
Rockstar Chica with the other Rockstars in the "Rockstars Assemble" achievement
Rockstar Chica performing on stage
Rockstar Chica's icon
Ultimate Custom Night
Rockstar Chica's UCN mugshot.
Rockstar Chica jumpscaring the player.
Rockstar Chica standing near the Left Door.
Rockstar Chica standing near the Right Door.
Rockstar Chica's unused image of her on the right side of the office.
Other
Rockstar Chica as she appears on the Ultimate Group poster.