Is Shailene replacing Jennifer in The Hunger Games?

Fans were shocked by recent reports that Shailene Woodley, a finalist for the Katniss role in the first Hunger Games movie, was taking over in the last two movies. Could Jennifer Lawrence really be saying goodbye to the part that made her a star? Turns out, those reports were just an April Fools Day joke! Jen's not going anywhere, and Shailene's gearing up to play Tris in a movie based on the Divergent books,