 According to Stone , she suffers from asthma , which she discovered after having difficulty breathing while filming Easy A. Her mother was diagnosed with triple @-@ negative breast cancer and was cured in 2008 . Stone and her mother celebrated by getting tattoos , of birds feet , designed by Paul McCartney , a reference to the Beatles ' " Blackbird " , which is a song she and her mother love . She appeared in a Revlon campaign that promoted breast cancer awareness . In 2011 , she featured in a collaborative video between Star Wars and Stand Up to Cancer , which aimed to raise funds for cancer research . Two years later , she attended an event by Gilda 's Club , an organization working for a similar purpose . From 2012 to 2014 , she hosted the Entertainment Industry Foundation 's Revlon Run / Walk , which helps fight women 's cancer . 
