The event is to air live from Mandalay Bay Resort & Casino on NBC Aug. 23.
They also said singer-songwriter Orianthi and John Legend & The Roots have been booked to perform live during the competition.
"It doesn't get hotter than being in Las Vegas during the month of August," Trump said in a statement. "Add more than 80 of the world's most beautiful women converging to compete for the crown of Miss Universe along with Bret Michaels, Natalie Morales, Orianthi and John Legend & The Roots... Las Vegas is going to be scorching hot!"
S. Carolina GOP Governor Nikki Haley breaks wood with hands [VIDEO]
Christian anarchists take credit for stealing racy calendars from Mall