Cody Simpson and Greyson Chance step out at the Mars Needs Moms held at the El Capitan Theatre in Hollywood on Sunday afternoon (March 6).

The duo headed out to support their pal Ryan Ochoa, who stars in the film as a Martian Hatchling.

Cody, who is currently working on his debut album, will be participating in the 2011 Stars & Strikes Event at PINZ Bowling Center in Los Angeles this week.