Stars Going Green -- Tree Huggers Unite!

Check out which stars have sprung into the Earth Day spirit by rolling up their sleeves and getting their hands dirty in order to sprout some shrubs!

Source: http://www.tmz.com/2012/04/22/tree-huggers-earth-day-celebrity-photos/

Adrianne Palicki Aisha Tyler Aki Ross Alecia Elliott Alessandra Ambrosio Alexis Bledel