Anne Hathaway knows how to make an entrance ... especially when hundreds of anxious 5th graders are waiting to meet her!

The 28-year-old actress surprised New York's PS22 Chorus at their annual winter concert with the news that they will be performing at the Academy Awards on February 27. Anne happens to be hosting the big event with the equally talented James Franco.

As for the kids of PS22, they became well-known after their incredible renditions of songs by Lady Gaga and Rihanna went viral.

Check out Anne's reaction to the kids screaming. Looks genuine to us!