On Friday, January 30th, 2004, Celine Dion made a surprise appearance at the Oprah Winfrey's 50th Birthday Luncheon, in Los Angeles, USA. She sang there her classic Because you loved me and a special reendition of Happy Birthday.
Extracts were broadcasted at the Oprah Winfrey Show the following February 6th, 2004.
Note that Celine then came back to Las Vegas for her show on Friday night but she had to stop after about 40 minutes. Experiencing a shortness of breath, she had to rest at home during the 4 following days.