Everyone's Country crush Shania Twain made a big announcement Wednesday. She's following the lead of George Strait and doing a farewell tour (her previous tour was 11 years ago).
Jennifer Lopez was a big part of 'American Idol's' resurgence last season, but she hasn't committed to another run on the show, so producers are reportedly looking for a replacement -- and rumors are pointing to Shania Twain. With more than 60 million albums' worth of worldwide sales to her name, Twa…