WATCH: Shania Twain shows off famous curves in sparkly skintight catsuit. The country star took to Instagram to share a performance clip from 1998 where she sang Man!. At 57, Shania Twain Bares It All in See-Through Dress Showing Off Toned Arms and Legs Shania Twain rocked a see-through dress and a platinum blonde wig in a recent Instagram post.