By Ashleigh Rainbird Britain’s Got Talent runner-up Amy Lou Smith is working with Whitney Houston’s team in LA to tell her emotional story in a power ballad. The tanning salon worker from Tipton was 30 weeks pregnant when she auditioned for the judges last year, and baby Aida was born “magically” just hours before her audition aired last year. Now the pair are “singing through life together”, even though the singer lost out in the final to comedian Viggo Venn in last year’s final. Over the past eight months, Amy Lou, 35, has forged a friendship with Allan Rich, who wrote Whitney’s mega-hit Run…