Priyanka, who is currently shooting for the second season of "Quantico" in New York, shared her excitement on social media along with a mini clip of herself in which she is donning a glares with the digits 1 and 0 on each of its glass.
"Thankful for our 10 million family on Instagram.. Lots of love and gratitude! #10MforPriyankaonInsta, Priyanka wrote.
The 34-year-old "Bajirao Mastani" star has become the second most followed Indian film actor on the photo-sharing site after Deepika Padukone, who has a 10.7 million followers.
Alia Bhatt holds the third spot with 8.5 million followers, whereas Sonam Kapoor and Akshay Kumar are on the fourth and fifth positions with 6.8 million and 6.3 million followers, respectively.