From WENN.com

The actress was nearing the milestone figure as she announced the contest on Thursday (16Aug12), and Jovovich is only too happy to offer up the special Resident Evil: Retribution showing as the top prize.

In a series of posts on her page, she writes, ""Sony pictures has been kind enuf (enough) 2 (to) help me w (with) a prize 4 (for) my millionth follower! It's a screening of RE5 in your hometown 4 u (you) and your friends!

""There will also b (be) 2nd n 3rd prizes! A Campari calendar and some RE5 goodies! Thanks so much every1 (everyone)! I'll tweet you later! We will pick at random for the winner 2 celebrate my millionth follower!""

The movie is due to hit the big screen next month (Sep12).