I'm Lucy, and I'd be happy to answer your questions today.
It is unfortunately a scam. It's impossible to win a contest you did not enter, and no legitimate contest will ever charge someone to collect their winnings. They just want to steal your $19.95. If you send them money, they'll ask for more - and more - and more, until you have nothing left. The promised winnings never materialize.
Scamwatch has issued warnings about these scams in the past:
Did you need any more help with this?