The 1970s are back, and tie-dye is in! The new trend among celebrities such as Nicki Minaj, Lauren Conrad, and Lady Gaga is dip-dyed rainbow hair. Don't want to commit to the whole head? Adding fun ...

If you’ve never had the experience of tie-dyeing a shirt for camp, or a school club, or because you just discovered Woodstock and the Summer of Love, it goes something like this: You soak a white or ...