Man pre-ordered flowers for daughter's birthday before he died five years ago

KNOXVILLE, Tenn. - A 21-year-old has been receiving flowers from her deceased dad for the last five years.Bailey Sellers' Saturday tweet went viral overnight, getting more than 300,000 retweets by Sunday.  Sellers shared pictures of flowers and a note from her father received this weekend on her 21st birthday.  Her dad died when she was 16-years-old but pre-ordered flowers for her next five birthdays before he died.Sellers said her dad died of cancer five years ago.