country crooner Lauren Alaina was forced to exit the show prematurely. According to the 27-year-old singer, it was probably for the best.As fans saw on Wednesday's new episode of the reality survival show, Alaina ended up suffering a painful injury and was required to depart the jungle as a health and safety precaution. While she understands, she tells ET that it was still an unfortunate turn of events.«I got disqualified, because I fell and hurt my foot,» Alaina recently told ET's Matt Cohen.