Whitney Houston
Credit: Michael Tran/FilmMagic; Scott Kirkland/WireImage; Kevin Mazur/WireImage(2); Tibrina Hobson/WireImage

Family, close friends and former co-stars are among the mourners who will pay tribute to Whitney Houston during a small funeral at the New Hope Baptist Church in Newark, New Jersey tomorrow. According to the Associated Press, Kevin Costner, Oprah Winfrey, and Alicia Keys are among the 1,500 guests who have been invited to join Houston's daughter Bobbi Kristina, mother Cissy and cousin Dionne Warwick at the private event, which will include performances by Aretha Franklin and Stevie Wonder. Fans of the 6-time Grammy winner can watch the service live on the AP's livestream channel and leave their messages of condolence on her official Facebook page. Click through the gallery to see some Whitney Houston's most unforgettable moments.