Happy 4/20! Melissa Etheridge revealed that she has smoked marijuana with her 20-year-old daughter, Bailey Jean, and 18-year-old son, Beckett. She shared with Yahoo, "It was funny at first, and then they realized it's very natural [at the] end of the day," The "Come To My Window" star is now a cannabis advocate since she started using it medicinally after being diagnosed with stage 2 breast cancer in October 2004. Etheridge, who said she had smoked recreationally since she was in her twenties, has learned about the benefits of using medicinal marijuana from good friend, singer David Crosby.