“Happy birthday to this amazing human being @shaniatwain ... One” singer shared a birthday message of her own. Related: ...

Shania Twain Launching 'Come on Over' Vegas ... still going strong!" "Happy Birthday to me and lots of good health and happiness to you all (and thank you for all the birthday messages already).

Shania Twain may feel like a woman ... Twain was also surprised on stage with a birthday cake and a serenade of "Happy Birthday" by her fellow performers and the crowd. "Happy birthday," the ...