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Alidy, 3, has been dressing in different costumes since her father died in November, so when her babysitter, Keegan Carnahan, pulled out her own costume during bath time, the young girl was ecstatic. And, because Keegan's hair is pink, Alidy believes her babysitter is a real mermaid. Carnahan, of Florida, said she went through a phase a couple of years ago and bought a mermaid tail and figured it was the perfect time to put it to use. InsideEdition.com's Keleigh Nealon (  / keleighnealon  ) has more. #InsideEdition