Muhammad Ali's Final Prayer Service -- Laila Ali and Celeb Friends Gather (PHOTOS)

Muhammad Ali's family and close friends from the boxing world attended the first of 2 memorial services planned for him in Louisville.

Laila Ali cradled her young daughter during the Jenazah -- an Islamic prayer service. Sugar Ray Leonard and Rev. Jesse Jackson were among the celebs who showed up -- and about 16,000 tickets were handed out to fans.