Ashley Tisdale and Selena Gomez appeared at "A Summer Soiree - The Magic of Mentoring," a charity fundraiser for Los Angeles Team Mentoring, in Beverly Hills, Calif., on Friday. Which teen idol looks better - Ashley in white or Selena in black? See more photos after the jump and let us know!

Image © AP Photo/Chris Pizzello

High School Musical star Tisdale loves playing a teenager even though she's 24 years old. She explained, "I think I definitely want to do more teen movies and more action films." She stars in the upcoming Aliens in the Attic about a group of kids who defend their Maine vacation home from knee-high alien invaders.

Image © AP Photo/Chris Pizzello

Wizards of Waverly Place star Gomez, 17, crashed a high school prom earlier this year with her actress pal Demi Lovato. She twittered: "PPP (Princess Protection Program) peeps and I crashed a prom tonight and danced with a high school!! Amazing!! I finally had prom!"

Click the pics for Selena Gomez's gallery:

Click the pics for Ashley Tisdale's gallery: