In the wake of the Trayvon Martin case, a number of celebrities have been inspired to don hoodies as a call for justice for the teen.

Hoodies have become symbolic in the investigation of the unarmed boy’s death because the 17-year-old was wearing one when George Zimmerman found him “suspicious” and killed him in a Sanford, Fla., neighborhood.

Since then, social networks have been bombarded with pictures and trending topics calling for #JusticeForTrayvon and asking people to wear hoodies in his memory with the hastag #HoodiesForTrayvon or #MillionHoodies.

Entertainers, athletes and even members of Congress have all joined in the so-called million hoodies march.

Check out 15 celebrities putting their hoodies up for Trayvon below.