Shania Twain writes songs.
`` Forever and for Always '' is a song co-written and recorded by Canadian country music singer Shania Twain and it was the third country single from her fourth studio album Up ! Shania : Still the One was a residency show by Canadian singer-songwriter Shania Twain , performed at The Colosseum at Caesars Palace in Las Vegas , Nevada . Shania Twain . and `` Forever and for Always '' .