Hayden Panettiere

Hayden Panettiere and Emma Roberts have signed on for the fourth installment of Scream, Variety reports.

The 20-year-old Heroes star and Julia Roberts'19-year-old niece will join original cast members Neve Campbell, David Arquette and Courteney Cox.

Scream 4 set for 2011 release

Scream 4 is written by Kevin Williamson (The Vampire Diaries) and directed by Wes Craven, both from the original trilogy.

Scream 4 is set to hit theaters April 15, 2011.