Who is Helga Horton Hears a who?

Helga, from Horton Hears A Who, is played by Selena Gomez.

Other things that Selena are in:

Princess Protection Programme, Plays Carter. Co-star: Demi Lovato.

Wizards of Waverly Place, Plays Alex. Co-stars: David Deluise, Maria Canels Barbera, David Henrie and Jake .T. Austin.

'Fly To Your Heart' music video, from Tinkerbell.

She is also currently in Ramona and Beezus