Vanessa Hudgens' little sister is all grown up!

Stella Hudgens surprised fans by posting a racy photo to Instagram during NYFW. "On my way for Sherri hill. So nice being back in one of my fav places," the 20-year-old captioned a snap of herself wearing an extremely low-cut dress that showed off her cleavage.

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But not all of her followers were on board with the sexy photo, with some accusing the brunette beauty of going under the knife.

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"I WAS NOT READY," one fan wrote, while another added, "How much did those cost you?"

For a look at more celebrity siblings then and now, check out the gallery below!